25039042 has 16 divisors (see below), whose sum is σ = 44790912. Its totient is φ = 10264320.

The previous prime is 25039037. The next prime is 25039081. The reversal of 25039042 is 24093052.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 25038998 and 25039016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38559 + ... + 39202.

It is an arithmetic number, because the mean of its divisors is an integer number (2799432).

Almost surely, 2^25039042 is an apocalyptic number.

25039042 is a deficient number, since it is larger than the sum of its proper divisors (19751870).

25039042 is a wasteful number, since it uses less digits than its factorization.

25039042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77793.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 25039042 is about 5003.9026769113. The cubic root of 25039042 is about 292.5539073215.

The spelling of 25039042 in words is "twenty-five million, thirty-nine thousand, forty-two".