25653035652 has 24 divisors (see below), whose sum is σ = 60449730432. Its totient is φ = 8466348000.

The previous prime is 25653035647. The next prime is 25653035669.

25653035652 is nontrivially palindromic in base 10.

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, 10581724 + ... + 10584147.

It is an arithmetic number, because the mean of its divisors is an integer number (2518738768).

Almost surely, 2^25653035652 is an apocalyptic number.

It is an amenable number.

25653035652 is an abundant number, since it is smaller than the sum of its proper divisors (34796694780).

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

25653035652 is a wasteful number, since it uses less digits than its factorization.

25653035652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21165979 (or 21165977 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 42.

Subtracting from 25653035652 its product of nonzero digits (810000), we obtain a palindrome (25652225652).

The spelling of 25653035652 in words is "twenty-five billion, six hundred fifty-three million, thirty-five thousand, six hundred fifty-two".