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1025064001 = 13411923197
BaseRepresentation
bin111101000110010…
…011110001000001
32122102211122110101
4331012103301001
54044404022001
6245414402401
734254620533
oct7506236101
92572748411
101025064001
11486692835
12247360401
131344a4560
149a1d3853
155eed2a01
hex3d193c41

1025064001 has 8 divisors (see below), whose sum is σ = 1130840424. Its totient is φ = 923134080.

The previous prime is 1025063993. The next prime is 1025064037. The reversal of 1025064001 is 1004605201.

It can be written as a sum of positive squares in 4 ways, for example, as 1000000 + 1024064001 = 1000^2 + 32001^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1025064001 - 23 = 1025063993 is a prime.

It is a super-2 number, since 2×10250640012 = 2101512412292256002, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1025064001.

It is not an unprimeable number, because it can be changed into a prime (1025064071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 961066 + ... + 962131.

It is an arithmetic number, because the mean of its divisors is an integer number (141355053).

Almost surely, 21025064001 is an apocalyptic number.

It is an amenable number.

1025064001 is a deficient number, since it is larger than the sum of its proper divisors (105776423).

1025064001 is a wasteful number, since it uses less digits than its factorization.

1025064001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923251.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1025064001 is about 32016.6206992556. The cubic root of 1025064001 is about 1008.2858225244.

Adding to 1025064001 its reverse (1004605201), we get a palindrome (2029669202).

The spelling of 1025064001 in words is "one billion, twenty-five million, sixty-four thousand, one".

Divisors: 1 13 41 533 1923197 25001561 78851077 1025064001