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1025053241 = 8887115343
BaseRepresentation
bin111101000110010…
…001001000111001
32122102211002200212
4331012101020321
54044403200431
6245414240505
734254544262
oct7506211071
92572732625
101025053241
11486685743
12247356135
1313449c6a4
149a1cd969
155eece72b
hex3d191239

1025053241 has 4 divisors (see below), whose sum is σ = 1025177472. Its totient is φ = 1024929012.

The previous prime is 1025053229. The next prime is 1025053247. The reversal of 1025053241 is 1423505201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1423505201 = 2963480427.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1025053241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1025053247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48785 + ... + 66558.

It is an arithmetic number, because the mean of its divisors is an integer number (256294368).

Almost surely, 21025053241 is an apocalyptic number.

It is an amenable number.

1025053241 is a deficient number, since it is larger than the sum of its proper divisors (124231).

1025053241 is an equidigital number, since it uses as much as digits as its factorization.

1025053241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124230.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1025053241 is about 32016.4526610929. The cubic root of 1025053241 is about 1008.2822945518.

Adding to 1025053241 its reverse (1423505201), we get a palindrome (2448558442).

The spelling of 1025053241 in words is "one billion, twenty-five million, fifty-three thousand, two hundred forty-one".

Divisors: 1 8887 115343 1025053241