25342389 has 40 divisors (see below), whose sum is σ = 40330752. Its totient is φ = 15824160.

The previous prime is 25342381. The next prime is 25342423. The reversal of 25342389 is 98324352.

It is not a de Polignac number, because 25342389 - 2³ = 25342381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25342381) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 113532 + ... + 113754.

Almost surely, 2^25342389 is an apocalyptic number.

It is an amenable number.

25342389 is a deficient number, since it is larger than the sum of its proper divisors (14988363).

25342389 is a wasteful number, since it uses less digits than its factorization.

25342389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 310 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 25342389 is about 5034.1224657332. The cubic root of 25342389 is about 293.7305945231.

The spelling of 25342389 in words is "twenty-five million, three hundred forty-two thousand, three hundred eighty-nine".