25789271 has 2 divisors, whose sum is σ = 25789272. Its totient is φ = 25789270.

The previous prime is 25789261. The next prime is 25789307. The reversal of 25789271 is 17298752.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25789271 is a prime.

It is a super-2 number, since 2×25789271² = 1330172997422882, 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 (25789201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12894635 + 12894636.

It is an arithmetic number, because the mean of its divisors is an integer number (12894636).

Almost surely, 2^25789271 is an apocalyptic number.

25789271 is a deficient number, since it is larger than the sum of its proper divisors (1).

25789271 is an equidigital number, since it uses as much as digits as its factorization.

25789271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 41.

The square root of 25789271 is about 5078.3137949520. The cubic root of 25789271 is about 295.4470708556.

The spelling of 25789271 in words is "twenty-five million, seven hundred eighty-nine thousand, two hundred seventy-one".