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25061713 = 292333709
BaseRepresentation
bin101111110011…
…0100101010001
31202011021012121
41133212211101
522403433323
62253054241
7423010135
oct137464521
952137177
1025061713
1113168266
128487381
135266321
1434853c5
152300a5d
hex17e6951

25061713 has 8 divisors (see below), whose sum is σ = 26044200. Its totient is φ = 24087168.

The previous prime is 25061693. The next prime is 25061717. The reversal of 25061713 is 31716052.

It can be written as a sum of positive squares in 4 ways, for example, as 380689 + 24681024 = 617^2 + 4968^2 .

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

It is a de Polignac number, because none of the positive numbers 2k-25061713 is a prime.

It is a super-3 number, since 3×250617133 (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25061717) 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, 4903 + ... + 8611.

It is an arithmetic number, because the mean of its divisors is an integer number (3255525).

Almost surely, 225061713 is an apocalyptic number.

It is an amenable number.

25061713 is a deficient number, since it is larger than the sum of its proper divisors (982487).

25061713 is a wasteful number, since it uses less digits than its factorization.

25061713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3971.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 25061713 is about 5006.1674961991. The cubic root of 25061713 is about 292.6421759927.

Adding to 25061713 its reverse (31716052), we get a palindrome (56777765).

The spelling of 25061713 in words is "twenty-five million, sixty-one thousand, seven hundred thirteen".

Divisors: 1 29 233 3709 6757 107561 864197 25061713