25002239 has 4 divisors (see below), whose sum is σ = 25027080. Its totient is φ = 24977400.

The previous prime is 25002227. The next prime is 25002259. The reversal of 25002239 is 93220052.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25002239 is a prime.

It is a super-2 number, since 2×25002239² = 1250223910026242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25002209) 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, 10844 + ... + 12945.

It is an arithmetic number, because the mean of its divisors is an integer number (6256770).

Almost surely, 2^25002239 is an apocalyptic number.

25002239 is a deficient number, since it is larger than the sum of its proper divisors (24841).

25002239 is a wasteful number, since it uses less digits than its factorization.

25002239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24840.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 25002239 is about 5000.2238949871. The cubic root of 25002239 is about 292.4105027283.

The spelling of 25002239 in words is "twenty-five million, two thousand, two hundred thirty-nine".