25317883 has 2 divisors, whose sum is σ = 25317884. Its totient is φ = 25317882.

The previous prime is 25317863. The next prime is 25317889. The reversal of 25317883 is 38871352.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25317883 is a prime.

It is not a weakly prime, because it can be changed into another prime (25317889) 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, 12658941 + 12658942.

It is an arithmetic number, because the mean of its divisors is an integer number (12658942).

Almost surely, 2^25317883 is an apocalyptic number.

25317883 is a deficient number, since it is larger than the sum of its proper divisors (1).

25317883 is an equidigital number, since it uses as much as digits as its factorization.

25317883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 37.

The square root of 25317883 is about 5031.6878877768. The cubic root of 25317883 is about 293.6358851754.

The spelling of 25317883 in words is "twenty-five million, three hundred seventeen thousand, eight hundred eighty-three".