25097237 has 4 divisors (see below), whose sum is σ = 27378816. Its totient is φ = 22815660.

The previous prime is 25097231. The next prime is 25097269. The reversal of 25097237 is 73279052.

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 a cyclic number.

It is not a de Polignac number, because 25097237 - 2⁴ = 25097221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25097197 and 25097206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25097231) 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, 1140773 + ... + 1140794.

It is an arithmetic number, because the mean of its divisors is an integer number (6844704).

Almost surely, 2^25097237 is an apocalyptic number.

It is an amenable number.

25097237 is a deficient number, since it is larger than the sum of its proper divisors (2281579).

25097237 is a wasteful number, since it uses less digits than its factorization.

25097237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281578.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 25097237 is about 5009.7142633088. The cubic root of 25097237 is about 292.7803803343.

The spelling of 25097237 in words is "twenty-five million, ninety-seven thousand, two hundred thirty-seven".