25751863 has 2 divisors, whose sum is σ = 25751864. Its totient is φ = 25751862.

The previous prime is 25751857. The next prime is 25751879. The reversal of 25751863 is 36815752.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25751863 is a prime.

It is equal to p_1609939 and since 25751863 and 1609939 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25751833) 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, 12875931 + 12875932.

It is an arithmetic number, because the mean of its divisors is an integer number (12875932).

Almost surely, 2^25751863 is an apocalyptic number.

25751863 is a deficient number, since it is larger than the sum of its proper divisors (1).

25751863 is an equidigital number, since it uses as much as digits as its factorization.

25751863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 37.

The square root of 25751863 is about 5074.6293460705. The cubic root of 25751863 is about 295.3041505417.

The spelling of 25751863 in words is "twenty-five million, seven hundred fifty-one thousand, eight hundred sixty-three".