25597323 has 8 divisors (see below), whose sum is σ = 37922000. Its totient is φ = 17064864.

The previous prime is 25597307. The next prime is 25597331. The reversal of 25597323 is 32379552.

It is not a de Polignac number, because 25597323 - 2⁴ = 25597307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25597373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473998 + ... + 474051.

It is an arithmetic number, because the mean of its divisors is an integer number (4740250).

Almost surely, 2^25597323 is an apocalyptic number.

25597323 is a deficient number, since it is larger than the sum of its proper divisors (12324677).

25597323 is an equidigital number, since it uses as much as digits as its factorization.

25597323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948058 (or 948052 counting only the distinct ones).

The product of its digits is 56700, while the sum is 36.

The square root of 25597323 is about 5059.3797050627. The cubic root of 25597323 is about 294.7122464578.

The spelling of 25597323 in words is "twenty-five million, five hundred ninety-seven thousand, three hundred twenty-three".