25908937 has 2 divisors, whose sum is σ = 25908938. Its totient is φ = 25908936.

The previous prime is 25908907. The next prime is 25908943. The reversal of 25908937 is 73980952.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16842816 + 9066121 = 4104^2 + 3011^2 .

It is a cyclic number.

It is not a de Polignac number, because 25908937 - 2²³ = 17520329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25908893 and 25908902.

It is not a weakly prime, because it can be changed into another prime (25908907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12954468 + 12954469.

It is an arithmetic number, because the mean of its divisors is an integer number (12954469).

Almost surely, 2^25908937 is an apocalyptic number.

It is an amenable number.

25908937 is a deficient number, since it is larger than the sum of its proper divisors (1).

25908937 is an equidigital number, since it uses as much as digits as its factorization.

25908937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 25908937 is about 5090.0822193752. The cubic root of 25908937 is about 295.9033384462.

The spelling of 25908937 in words is "twenty-five million, nine hundred eight thousand, nine hundred thirty-seven".