25287544562 has 48 divisors (see below), whose sum is σ = 46495009440. Its totient is φ = 10256404032.

The previous prime is 25287544549. The next prime is 25287544567. The reversal of 25287544562 is 26544578252.

It is a self number, because there is not a number n which added to its sum of digits gives 25287544562.

It is not an unprimeable number, because it can be changed into a prime (25287544567) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1916873 + ... + 1930019.

It is an arithmetic number, because the mean of its divisors is an integer number (968646030).

Almost surely, 2^25287544562 is an apocalyptic number.

25287544562 is a deficient number, since it is larger than the sum of its proper divisors (21207464878).

25287544562 is a wasteful number, since it uses less digits than its factorization.

25287544562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14215 (or 14208 counting only the distinct ones).

The product of its digits is 5376000, while the sum is 50.

The spelling of 25287544562 in words is "twenty-five billion, two hundred eighty-seven million, five hundred forty-four thousand, five hundred sixty-two".