25239325 has 6 divisors (see below), whose sum is σ = 31296794. Its totient is φ = 20191440.

The previous prime is 25239311. The next prime is 25239337. The reversal of 25239325 is 52393252.

It can be written as a sum of positive squares in 3 ways, for example, as 2762244 + 22477081 = 1662^2 + 4741^2 .

It is not a de Polignac number, because 25239325 - 2²¹ = 23142173 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 504762 + ... + 504811.

Almost surely, 2^25239325 is an apocalyptic number.

25239325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25239325 is a deficient number, since it is larger than the sum of its proper divisors (6057469).

25239325 is a wasteful number, since it uses less digits than its factorization.

25239325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009583 (or 1009578 counting only the distinct ones).

The product of its digits is 16200, while the sum is 31.

The square root of 25239325 is about 5023.8754960687. The cubic root of 25239325 is about 293.3318662404.

The spelling of 25239325 in words is "twenty-five million, two hundred thirty-nine thousand, three hundred twenty-five".