25958771 has 2 divisors, whose sum is σ = 25958772. Its totient is φ = 25958770.

The previous prime is 25958707. The next prime is 25958809. The reversal of 25958771 is 17785952.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25958771 - 2⁶ = 25958707 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25958071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12979385 + 12979386.

It is an arithmetic number, because the mean of its divisors is an integer number (12979386).

Almost surely, 2^25958771 is an apocalyptic number.

25958771 is a deficient number, since it is larger than the sum of its proper divisors (1).

25958771 is an equidigital number, since it uses as much as digits as its factorization.

25958771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 176400, while the sum is 44.

The square root of 25958771 is about 5094.9750735406. The cubic root of 25958771 is about 296.0929332919.

The spelling of 25958771 in words is "twenty-five million, nine hundred fifty-eight thousand, seven hundred seventy-one".