25239359 has 4 divisors (see below), whose sum is σ = 25258800. Its totient is φ = 25219920.

The previous prime is 25239343. The next prime is 25239397. The reversal of 25239359 is 95393252.

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 25239359 - 2⁴ = 25239343 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 (25239659) 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, 7622 + ... + 10419.

It is an arithmetic number, because the mean of its divisors is an integer number (6314700).

Almost surely, 2^25239359 is an apocalyptic number.

25239359 is a deficient number, since it is larger than the sum of its proper divisors (19441).

25239359 is a wasteful number, since it uses less digits than its factorization.

25239359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19440.

The product of its digits is 72900, while the sum is 38.

The square root of 25239359 is about 5023.8788799094. The cubic root of 25239359 is about 293.3319979565.

The spelling of 25239359 in words is "twenty-five million, two hundred thirty-nine thousand, three hundred fifty-nine".