25696331 has 2 divisors, whose sum is σ = 25696332. Its totient is φ = 25696330.

The previous prime is 25696301. The next prime is 25696351. The reversal of 25696331 is 13369652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25696331 - 2²² = 21502027 is a prime.

It is a super-2 number, since 2×25696331² = 1320602853723122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25696291 and 25696300.

It is not a weakly prime, because it can be changed into another prime (25696301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12848165 + 12848166.

It is an arithmetic number, because the mean of its divisors is an integer number (12848166).

Almost surely, 2^25696331 is an apocalyptic number.

25696331 is a deficient number, since it is larger than the sum of its proper divisors (1).

25696331 is an equidigital number, since it uses as much as digits as its factorization.

25696331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 35.

The square root of 25696331 is about 5069.1548605266. The cubic root of 25696331 is about 295.0917305464.

The spelling of 25696331 in words is "twenty-five million, six hundred ninety-six thousand, three hundred thirty-one".