25948831 has 2 divisors, whose sum is σ = 25948832. Its totient is φ = 25948830.

The previous prime is 25948801. The next prime is 25948847. The reversal of 25948831 is 13884952.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25948831 - 2¹⁵ = 25916063 is a prime.

It is a super-2 number, since 2×25948831² = 1346683660533122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25948801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12974415 + 12974416.

It is an arithmetic number, because the mean of its divisors is an integer number (12974416).

Almost surely, 2^25948831 is an apocalyptic number.

25948831 is a deficient number, since it is larger than the sum of its proper divisors (1).

25948831 is an equidigital number, since it uses as much as digits as its factorization.

25948831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 40.

The square root of 25948831 is about 5093.9995092265. Note that the first 3 decimals coincide. The cubic root of 25948831 is about 296.0551356691.

The spelling of 25948831 in words is "twenty-five million, nine hundred forty-eight thousand, eight hundred thirty-one".