25161488 has 20 divisors (see below), whose sum is σ = 53182608. Its totient is φ = 11436960.

The previous prime is 25161469. The next prime is 25161541. The reversal of 25161488 is 88416152.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71306 + ... + 71657.

Almost surely, 2^25161488 is an apocalyptic number.

It is an amenable number.

25161488 is an abundant number, since it is smaller than the sum of its proper divisors (28021120).

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

25161488 is a wasteful number, since it uses less digits than its factorization.

25161488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142982 (or 142976 counting only the distinct ones).

The product of its digits is 15360, while the sum is 35.

The square root of 25161488 is about 5016.1228055142. The cubic root of 25161488 is about 293.0300147472.

It can be divided in two parts, 2516 and 1488, that added together give a palindrome (4004).

The spelling of 25161488 in words is "twenty-five million, one hundred sixty-one thousand, four hundred eighty-eight".