25696297 has 4 divisors (see below), whose sum is σ = 28032336. Its totient is φ = 23360260.

The previous prime is 25696289. The next prime is 25696301. The reversal of 25696297 is 79269652.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 25696297 - 2³ = 25696289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25696247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1168003 + ... + 1168024.

It is an arithmetic number, because the mean of its divisors is an integer number (7008084).

Almost surely, 2^25696297 is an apocalyptic number.

It is an amenable number.

25696297 is a deficient number, since it is larger than the sum of its proper divisors (2336039).

25696297 is a wasteful number, since it uses less digits than its factorization.

25696297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336038.

The product of its digits is 408240, while the sum is 46.

The square root of 25696297 is about 5069.1515069092. The cubic root of 25696297 is about 295.0916003965.

The spelling of 25696297 in words is "twenty-five million, six hundred ninety-six thousand, two hundred ninety-seven".