25985867252 has 36 divisors (see below), whose sum is σ = 47896080960. Its totient is φ = 12332181792.

The previous prime is 25985867249. The next prime is 25985867261. The reversal of 25985867252 is 25276858952.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a junction number, because it is equal to n+sod(n) for n = 25985867191 and 25985867200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133013 + ... + 263939.

Almost surely, 2^25985867252 is an apocalyptic number.

It is an amenable number.

25985867252 is a deficient number, since it is larger than the sum of its proper divisors (21910213708).

25985867252 is a wasteful number, since it uses less digits than its factorization.

25985867252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131048 (or 131017 counting only the distinct ones).

The product of its digits is 24192000, while the sum is 59.

The spelling of 25985867252 in words is "twenty-five billion, nine hundred eighty-five million, eight hundred sixty-seven thousand, two hundred fifty-two".