25974988 has 12 divisors (see below), whose sum is σ = 48952960. Its totient is φ = 11988432.

The previous prime is 25974961. The next prime is 25974989. The reversal of 25974988 is 88947952.

It is a super-3 number, since 3×25974988³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52), and also a Moran number because the ratio is a prime number: 499519 = 25974988 / (2 + 5 + 9 + 7 + 4 + 9 + 8 + 8).

It is not an unprimeable number, because it can be changed into a prime (25974989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249708 + ... + 249811.

Almost surely, 2^25974988 is an apocalyptic number.

It is an amenable number.

25974988 is a deficient number, since it is larger than the sum of its proper divisors (22977972).

25974988 is a wasteful number, since it uses less digits than its factorization.

25974988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499536 (or 499534 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 52.

The square root of 25974988 is about 5096.5662950657. The cubic root of 25974988 is about 296.1545789880.

It can be divided in two parts, 25974 and 988, that added together give a palindrome (26962).

The spelling of 25974988 in words is "twenty-five million, nine hundred seventy-four thousand, nine hundred eighty-eight".