25397792 has 24 divisors (see below), whose sum is σ = 57145536. Its totient is φ = 10884672.

The previous prime is 25397791. The next prime is 25397797. The reversal of 25397792 is 29779352.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (25397791) 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, 56468 + ... + 56915.

It is an arithmetic number, because the mean of its divisors is an integer number (2381064).

Almost surely, 2^25397792 is an apocalyptic number.

It is an amenable number.

25397792 is an abundant number, since it is smaller than the sum of its proper divisors (31747744).

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

25397792 is a wasteful number, since it uses less digits than its factorization.

25397792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113400 (or 113392 counting only the distinct ones).

The product of its digits is 238140, while the sum is 44.

The square root of 25397792 is about 5039.6222080628. The cubic root of 25397792 is about 293.9444879534.

The spelling of 25397792 in words is "twenty-five million, three hundred ninety-seven thousand, seven hundred ninety-two".