25257367 has 4 divisors (see below), whose sum is σ = 25275280. Its totient is φ = 25239456.

The previous prime is 25257361. The next prime is 25257391. The reversal of 25257367 is 76375252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25257367 - 2¹⁵ = 25224599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25257361) 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, 6642 + ... + 9727.

It is an arithmetic number, because the mean of its divisors is an integer number (6318820).

Almost surely, 2^25257367 is an apocalyptic number.

25257367 is a deficient number, since it is larger than the sum of its proper divisors (17913).

25257367 is a wasteful number, since it uses less digits than its factorization.

25257367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17912.

The product of its digits is 88200, while the sum is 37.

The square root of 25257367 is about 5025.6708009976. The cubic root of 25257367 is about 293.4017444032.

The spelling of 25257367 in words is "twenty-five million, two hundred fifty-seven thousand, three hundred sixty-seven".