25389772 has 12 divisors (see below), whose sum is σ = 47045880. Its totient is φ = 11948096.

The previous prime is 25389751. The next prime is 25389773. The reversal of 25389772 is 27798352.

It is not an unprimeable number, because it can be changed into a prime (25389773) 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, 186622 + ... + 186757.

It is an arithmetic number, because the mean of its divisors is an integer number (3920490).

Almost surely, 2^25389772 is an apocalyptic number.

It is an amenable number.

25389772 is a deficient number, since it is larger than the sum of its proper divisors (21656108).

25389772 is a wasteful number, since it uses less digits than its factorization.

25389772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373400 (or 373398 counting only the distinct ones).

The product of its digits is 211680, while the sum is 43.

The square root of 25389772 is about 5038.8264506728. The cubic root of 25389772 is about 293.9135445420.

The spelling of 25389772 in words is "twenty-five million, three hundred eighty-nine thousand, seven hundred seventy-two".