25031513364 has 96 divisors (see below), whose sum is σ = 71601352704. Its totient is φ = 6697384320.

The previous prime is 25031513329. The next prime is 25031513369. The reversal of 25031513364 is 46331513052.

It is a super-2 number, since 2×25031513364² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25031513369) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 277644 + ... + 356579.

It is an arithmetic number, because the mean of its divisors is an integer number (745847424).

Almost surely, 2^25031513364 is an apocalyptic number.

It is an amenable number.

25031513364 is an abundant number, since it is smaller than the sum of its proper divisors (46569839340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25031513364 is a wasteful number, since it uses less digits than its factorization.

25031513364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634277 (or 634275 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

The spelling of 25031513364 in words is "twenty-five billion, thirty-one million, five hundred thirteen thousand, three hundred sixty-four".