25920132 has 24 divisors (see below), whose sum is σ = 69120576. Its totient is φ = 7405728.

The previous prime is 25920131. The next prime is 25920133. The reversal of 25920132 is 23102952.

It is an interprime number because it is at equal distance from previous prime (25920131) and next prime (25920133).

It is not an unprimeable number, because it can be changed into a prime (25920131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154203 + ... + 154370.

It is an arithmetic number, because the mean of its divisors is an integer number (2880024).

Almost surely, 2^25920132 is an apocalyptic number.

It is an amenable number.

25920132 is an abundant number, since it is smaller than the sum of its proper divisors (43200444).

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

25920132 is a wasteful number, since it uses less digits than its factorization.

25920132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308587 (or 308585 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 25920132 is about 5091.1817881510. The cubic root of 25920132 is about 295.9459512953.

The spelling of 25920132 in words is "twenty-five million, nine hundred twenty thousand, one hundred thirty-two".