25652453235 has 32 divisors (see below), whose sum is σ = 41255267328. Its totient is φ = 13611004800.

The previous prime is 25652453227. The next prime is 25652453249. The reversal of 25652453235 is 53235425652.

It is not a de Polignac number, because 25652453235 - 2³ = 25652453227 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3242785 + ... + 3250685.

It is an arithmetic number, because the mean of its divisors is an integer number (1289227104).

Almost surely, 2^25652453235 is an apocalyptic number.

25652453235 is a deficient number, since it is larger than the sum of its proper divisors (15602814093).

25652453235 is a wasteful number, since it uses less digits than its factorization.

25652453235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8995.

The product of its digits is 1080000, while the sum is 42.

Adding to 25652453235 its reverse (53235425652), we get a palindrome (78887878887).

The spelling of 25652453235 in words is "twenty-five billion, six hundred fifty-two million, four hundred fifty-three thousand, two hundred thirty-five".