25197 has 8 divisors (see below), whose sum is σ = 34656. Its totient is φ = 16272.

The previous prime is 25189. The next prime is 25219. The reversal of 25197 is 79152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25197 - 2³ = 25189 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25117) 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, 3 + ... + 224.

It is an arithmetic number, because the mean of its divisors is an integer number (4332).

2²⁵¹⁹⁷ is an apocalyptic number.

It is an amenable number.

25197 is a deficient number, since it is larger than the sum of its proper divisors (9459).

25197 is a wasteful number, since it uses less digits than its factorization.

25197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267.

The product of its digits is 630, while the sum is 24.

The square root of 25197 is about 158.7356292708. The cubic root of 25197 is about 29.3167807209.

It can be divided in two parts, 25 and 197, that added together give a palindrome (222).

The spelling of 25197 in words is "twenty-five thousand, one hundred ninety-seven".