25452425452 has 24 divisors (see below), whose sum is σ = 44845661952. Its totient is φ = 12639590400.

The previous prime is 25452425437. The next prime is 25452425489.

25452425452 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×25452425452² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463738 + ... + 515710.

It is an arithmetic number, because the mean of its divisors is an integer number (1868569248).

Almost surely, 2^25452425452 is an apocalyptic number.

It is an amenable number.

25452425452 is a deficient number, since it is larger than the sum of its proper divisors (19393236500).

25452425452 is a wasteful number, since it uses less digits than its factorization.

25452425452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52809 (or 52807 counting only the distinct ones).

The product of its digits is 640000, while the sum is 40.

The spelling of 25452425452 in words is "twenty-five billion, four hundred fifty-two million, four hundred twenty-five thousand, four hundred fifty-two".