25873937 has 2 divisors, whose sum is σ = 25873938. Its totient is φ = 25873936.

The previous prime is 25873931. The next prime is 25873961. The reversal of 25873937 is 73937852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18524416 + 7349521 = 4304^2 + 2711^2 .

It is a cyclic number.

It is not a de Polignac number, because 25873937 - 2²⁴ = 9096721 is a prime.

It is not a weakly prime, because it can be changed into another prime (25873931) 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 as a sum of consecutive naturals, namely, 12936968 + 12936969.

It is an arithmetic number, because the mean of its divisors is an integer number (12936969).

Almost surely, 2^25873937 is an apocalyptic number.

It is an amenable number.

25873937 is a deficient number, since it is larger than the sum of its proper divisors (1).

25873937 is an equidigital number, since it uses as much as digits as its factorization.

25873937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 44.

The square root of 25873937 is about 5086.6429990712. The cubic root of 25873937 is about 295.7700345869.

The spelling of 25873937 in words is "twenty-five million, eight hundred seventy-three thousand, nine hundred thirty-seven".