25257575562 has 16 divisors (see below), whose sum is σ = 52144672512. Its totient is φ = 8147604960.

The previous prime is 25257575561. The next prime is 25257575591. The reversal of 25257575562 is 26557575252.

It is not an unprimeable number, because it can be changed into a prime (25257575561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67896523 + ... + 67896894.

It is an arithmetic number, because the mean of its divisors is an integer number (3259042032).

Almost surely, 2^25257575562 is an apocalyptic number.

25257575562 is an abundant number, since it is smaller than the sum of its proper divisors (26887096950).

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

25257575562 is a wasteful number, since it uses less digits than its factorization.

25257575562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135793453.

The product of its digits is 7350000, while the sum is 51.

The spelling of 25257575562 in words is "twenty-five billion, two hundred fifty-seven million, five hundred seventy-five thousand, five hundred sixty-two".