25089863 has 2 divisors, whose sum is σ = 25089864. Its totient is φ = 25089862.

The previous prime is 25089853. The next prime is 25089871. The reversal of 25089863 is 36898052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25089863 - 2⁸ = 25089607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25089863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25089833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12544931 + 12544932.

It is an arithmetic number, because the mean of its divisors is an integer number (12544932).

Almost surely, 2^25089863 is an apocalyptic number.

25089863 is a deficient number, since it is larger than the sum of its proper divisors (1).

25089863 is an equidigital number, since it uses as much as digits as its factorization.

25089863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 25089863 is about 5008.9782391222. The cubic root of 25089863 is about 292.7517028879.

It can be divided in two parts, 25089 and 863, that added together give a palindrome (25952).

The spelling of 25089863 in words is "twenty-five million, eighty-nine thousand, eight hundred sixty-three".