25595963 has 2 divisors, whose sum is σ = 25595964. Its totient is φ = 25595962.

The previous prime is 25595957. The next prime is 25595993. The reversal of 25595963 is 36959552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25595963 - 2²⁰ = 24547387 is a prime.

It is not a weakly prime, because it can be changed into another prime (25595953) 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, 12797981 + 12797982.

It is an arithmetic number, because the mean of its divisors is an integer number (12797982).

Almost surely, 2^25595963 is an apocalyptic number.

25595963 is a deficient number, since it is larger than the sum of its proper divisors (1).

25595963 is an equidigital number, since it uses as much as digits as its factorization.

25595963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 364500, while the sum is 44.

The square root of 25595963 is about 5059.2452994493. The cubic root of 25595963 is about 294.7070269569.

The spelling of 25595963 in words is "twenty-five million, five hundred ninety-five thousand, nine hundred sixty-three".