25362640325 has 12 divisors (see below), whose sum is σ = 34308735648. Its totient is φ = 18445556400.

The previous prime is 25362640309. The next prime is 25362640349. The reversal of 25362640325 is 52304626352.

It is not a de Polignac number, because 25362640325 - 2⁴ = 25362640309 is a prime.

It is a super-2 number, since 2×25362640325² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46113617 + ... + 46114166.

It is an arithmetic number, because the mean of its divisors is an integer number (2859061304).

Almost surely, 2^25362640325 is an apocalyptic number.

25362640325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25362640325 is a deficient number, since it is larger than the sum of its proper divisors (8946095323).

25362640325 is a wasteful number, since it uses less digits than its factorization.

25362640325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92227804 (or 92227799 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 38.

The spelling of 25362640325 in words is "twenty-five billion, three hundred sixty-two million, six hundred forty thousand, three hundred twenty-five".