25760897 has 16 divisors (see below), whose sum is σ = 27776640. Its totient is φ = 23836032.

The previous prime is 25760887. The next prime is 25760927. The reversal of 25760897 is 79806752.

It is a cyclic number.

It is not a de Polignac number, because 25760897 - 2¹⁶ = 25695361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25760837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112379 + ... + 112607.

It is an arithmetic number, because the mean of its divisors is an integer number (1736040).

Almost surely, 2^25760897 is an apocalyptic number.

It is an amenable number.

25760897 is a deficient number, since it is larger than the sum of its proper divisors (2015743).

25760897 is a wasteful number, since it uses less digits than its factorization.

25760897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 25760897 is about 5075.5193822899. The cubic root of 25760897 is about 295.3386783452.

The spelling of 25760897 in words is "twenty-five million, seven hundred sixty thousand, eight hundred ninety-seven".