25952291 has 2 divisors, whose sum is σ = 25952292. Its totient is φ = 25952290.

The previous prime is 25952261. The next prime is 25952299. The reversal of 25952291 is 19225952.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25952291 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25952299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12976145 + 12976146.

It is an arithmetic number, because the mean of its divisors is an integer number (12976146).

Almost surely, 2^25952291 is an apocalyptic number.

25952291 is a deficient number, since it is larger than the sum of its proper divisors (1).

25952291 is an equidigital number, since it uses as much as digits as its factorization.

25952291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 35.

The square root of 25952291 is about 5094.3391131726. The cubic root of 25952291 is about 296.0682936831.

The spelling of 25952291 in words is "twenty-five million, nine hundred fifty-two thousand, two hundred ninety-one".