25695331 has 2 divisors, whose sum is σ = 25695332. Its totient is φ = 25695330.

The previous prime is 25695317. The next prime is 25695349. The reversal of 25695331 is 13359652.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25695331 - 2⁹ = 25694819 is a prime.

It is a super-2 number, since 2×25695331² = 1320500070399122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25695361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12847665 + 12847666.

It is an arithmetic number, because the mean of its divisors is an integer number (12847666).

Almost surely, 2^25695331 is an apocalyptic number.

25695331 is a deficient number, since it is larger than the sum of its proper divisors (1).

25695331 is an equidigital number, since it uses as much as digits as its factorization.

25695331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24300, while the sum is 34.

The square root of 25695331 is about 5069.0562237955. The cubic root of 25695331 is about 295.0879025608.

The spelling of 25695331 in words is "twenty-five million, six hundred ninety-five thousand, three hundred thirty-one".