25172292 has 24 divisors (see below), whose sum is σ = 58899456. Its totient is φ = 8367328.

The previous prime is 25172267. The next prime is 25172299. The reversal of 25172292 is 29227152.

It is not an unprimeable number, because it can be changed into a prime (25172299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1858 + ... + 7334.

It is an arithmetic number, because the mean of its divisors is an integer number (2454144).

Almost surely, 2^25172292 is an apocalyptic number.

It is an amenable number.

25172292 is an abundant number, since it is smaller than the sum of its proper divisors (33727164).

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

25172292 is a wasteful number, since it uses less digits than its factorization.

25172292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5867 (or 5865 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 25172292 is about 5017.1996173164. The cubic root of 25172292 is about 293.0719497771.

The spelling of 25172292 in words is "twenty-five million, one hundred seventy-two thousand, two hundred ninety-two".