25413937 has 2 divisors, whose sum is σ = 25413938. Its totient is φ = 25413936.

The previous prime is 25413917. The next prime is 25413943. The reversal of 25413937 is 73931452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24641296 + 772641 = 4964^2 + 879^2 .

It is a cyclic number.

It is not a de Polignac number, because 25413937 - 2²³ = 17025329 is a prime.

It is not a weakly prime, because it can be changed into another prime (25413907) 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, 12706968 + 12706969.

It is an arithmetic number, because the mean of its divisors is an integer number (12706969).

Almost surely, 2^25413937 is an apocalyptic number.

It is an amenable number.

25413937 is a deficient number, since it is larger than the sum of its proper divisors (1).

25413937 is an equidigital number, since it uses as much as digits as its factorization.

25413937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 34.

The square root of 25413937 is about 5041.2237601598. The cubic root of 25413937 is about 294.0067601451.

The spelling of 25413937 in words is "twenty-five million, four hundred thirteen thousand, nine hundred thirty-seven".