25460957 has 2 divisors, whose sum is σ = 25460958. Its totient is φ = 25460956.

The previous prime is 25460933. The next prime is 25460999. The reversal of 25460957 is 75906452.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13147876 + 12313081 = 3626^2 + 3509^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25460957 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25460957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25463957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12730478 + 12730479.

It is an arithmetic number, because the mean of its divisors is an integer number (12730479).

Almost surely, 2^25460957 is an apocalyptic number.

It is an amenable number.

25460957 is a deficient number, since it is larger than the sum of its proper divisors (1).

25460957 is an equidigital number, since it uses as much as digits as its factorization.

25460957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 25460957 is about 5045.8851552527. The cubic root of 25460957 is about 294.1879688643.

The spelling of 25460957 in words is "twenty-five million, four hundred sixty thousand, nine hundred fifty-seven".