25372187 has 12 divisors (see below), whose sum is σ = 26776320. Its totient is φ = 24011568.

The previous prime is 25372181. The next prime is 25372219. The reversal of 25372187 is 78127352.

It is a de Polignac number, because none of the positive numbers 2^k-25372187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25372181) 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 11 ways as a sum of consecutive naturals, for example, 199718 + ... + 199844.

It is an arithmetic number, because the mean of its divisors is an integer number (2231360).

Almost surely, 2^25372187 is an apocalyptic number.

25372187 is a deficient number, since it is larger than the sum of its proper divisors (1404133).

25372187 is an equidigital number, since it uses as much as digits as its factorization.

25372187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 239 counting only the distinct ones).

The product of its digits is 23520, while the sum is 35.

The square root of 25372187 is about 5037.0811984720. The cubic root of 25372187 is about 293.8456738607.

The spelling of 25372187 in words is "twenty-five million, three hundred seventy-two thousand, one hundred eighty-seven".