25325523 has 6 divisors (see below), whose sum is σ = 36581324. Its totient is φ = 16883676.

The previous prime is 25325519. The next prime is 25325533. The reversal of 25325523 is 32552352.

It is not a de Polignac number, because 25325523 - 2² = 25325519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25325533) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1406965 + ... + 1406982.

Almost surely, 2^25325523 is an apocalyptic number.

25325523 is a deficient number, since it is larger than the sum of its proper divisors (11255801).

25325523 is a wasteful number, since it uses less digits than its factorization.

25325523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813953 (or 2813950 counting only the distinct ones).

The product of its digits is 9000, while the sum is 27.

The square root of 25325523 is about 5032.4470190952. The cubic root of 25325523 is about 293.6654183522.

Adding to 25325523 its reverse (32552352), we get a palindrome (57877875).

The spelling of 25325523 in words is "twenty-five million, three hundred twenty-five thousand, five hundred twenty-three".