25390937 has 16 divisors (see below), whose sum is σ = 29973888. Its totient is φ = 21204480.

The previous prime is 25390913. The next prime is 25390943. The reversal of 25390937 is 73909352.

It is not a de Polignac number, because 25390937 - 2¹⁴ = 25374553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25390937.

It is not an unprimeable number, because it can be changed into a prime (25390907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50228 + ... + 50730.

It is an arithmetic number, because the mean of its divisors is an integer number (1873368).

Almost surely, 2^25390937 is an apocalyptic number.

It is an amenable number.

25390937 is a deficient number, since it is larger than the sum of its proper divisors (4582951).

25390937 is a wasteful number, since it uses less digits than its factorization.

25390937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880.

The product of its (nonzero) digits is 51030, while the sum is 38.

The square root of 25390937 is about 5038.9420516612. The cubic root of 25390937 is about 293.9180398435.

The spelling of 25390937 in words is "twenty-five million, three hundred ninety thousand, nine hundred thirty-seven".