25239342 has 32 divisors (see below), whose sum is σ = 51891840. Its totient is φ = 8180640.

The previous prime is 25239337. The next prime is 25239343. The reversal of 25239342 is 24393252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25239343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43917 + ... + 44487.

It is an arithmetic number, because the mean of its divisors is an integer number (1621620).

Almost surely, 2^25239342 is an apocalyptic number.

25239342 is an abundant number, since it is smaller than the sum of its proper divisors (26652498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25239342 is a wasteful number, since it uses less digits than its factorization.

25239342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768.

The product of its digits is 12960, while the sum is 30.

The square root of 25239342 is about 5023.8771879894. The cubic root of 25239342 is about 293.3319320984.

The spelling of 25239342 in words is "twenty-five million, two hundred thirty-nine thousand, three hundred forty-two".