25882657 has 2 divisors, whose sum is σ = 25882658. Its totient is φ = 25882656.

The previous prime is 25882643. The next prime is 25882663. The reversal of 25882657 is 75628852.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22287841 + 3594816 = 4721^2 + 1896^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25882657 is a prime.

It is the 5088-th Hogben number.

It is not a weakly prime, because it can be changed into another prime (25882627) by changing a digit.

It is a nontrivial repunit in base 5087.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12941328 + 12941329.

It is an arithmetic number, because the mean of its divisors is an integer number (12941329).

Almost surely, 2^25882657 is an apocalyptic number.

It is an amenable number.

25882657 is a deficient number, since it is larger than the sum of its proper divisors (1).

25882657 is an equidigital number, since it uses as much as digits as its factorization.

25882657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 268800, while the sum is 43.

The square root of 25882657 is about 5087.5000737101. The cubic root of 25882657 is about 295.8032575301.

The spelling of 25882657 in words is "twenty-five million, eight hundred eighty-two thousand, six hundred fifty-seven".