25212984 has 32 divisors (see below), whose sum is σ = 64738320. Its totient is φ = 8176896.

The previous prime is 25212961. The next prime is 25212997. The reversal of 25212984 is 48921252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13309 + ... + 15084.

Almost surely, 2^25212984 is an apocalyptic number.

25212984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25212984 is an abundant number, since it is smaller than the sum of its proper divisors (39525336).

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

25212984 is a wasteful number, since it uses less digits than its factorization.

25212984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28439 (or 28435 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 25212984 is about 5021.2532300214. The cubic root of 25212984 is about 293.2297855360.

The spelling of 25212984 in words is "twenty-five million, two hundred twelve thousand, nine hundred eighty-four".