25275523 has 12 divisors (see below), whose sum is σ = 31664640. Its totient is φ = 19997712.

The previous prime is 25275521. The next prime is 25275527. The reversal of 25275523 is 32557252.

It is not a de Polignac number, because 25275523 - 2¹ = 25275521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25275521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19203 + ... + 20476.

It is an arithmetic number, because the mean of its divisors is an integer number (2638720).

Almost surely, 2^25275523 is an apocalyptic number.

25275523 is a deficient number, since it is larger than the sum of its proper divisors (6389117).

25275523 is a wasteful number, since it uses less digits than its factorization.

25275523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39706 (or 39699 counting only the distinct ones).

The product of its digits is 21000, while the sum is 31.

The square root of 25275523 is about 5027.4768025323. The cubic root of 25275523 is about 293.4720305124.

The spelling of 25275523 in words is "twenty-five million, two hundred seventy-five thousand, five hundred twenty-three".