25963625 has 8 divisors (see below), whose sum is σ = 32402760. Its totient is φ = 20770800.

The previous prime is 25963621. The next prime is 25963631. The reversal of 25963625 is 52636952.

It can be written as a sum of positive squares in 4 ways, for example, as 126736 + 25836889 = 356^2 + 5083^2 .

It is not a de Polignac number, because 25963625 - 2² = 25963621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25963621) 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 in 7 ways as a sum of consecutive naturals, for example, 103730 + ... + 103979.

It is an arithmetic number, because the mean of its divisors is an integer number (4050345).

Almost surely, 2^25963625 is an apocalyptic number.

25963625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25963625 is a deficient number, since it is larger than the sum of its proper divisors (6439135).

25963625 is an equidigital number, since it uses as much as digits as its factorization.

25963625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207724 (or 207714 counting only the distinct ones).

The product of its digits is 97200, while the sum is 38.

The square root of 25963625 is about 5095.4514029672. The cubic root of 25963625 is about 296.1113874979. Note that the first 3 decimals are identical.

The spelling of 25963625 in words is "twenty-five million, nine hundred sixty-three thousand, six hundred twenty-five".