25328079 has 32 divisors (see below), whose sum is σ = 45411840. Its totient is φ = 13620096.

The previous prime is 25328059. The next prime is 25328137. The reversal of 25328079 is 97082352.

It is a happy number.

It is not a de Polignac number, because 25328079 - 2¹⁹ = 24803791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25328029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 729 + ... + 7154.

It is an arithmetic number, because the mean of its divisors is an integer number (1419120).

Almost surely, 2^25328079 is an apocalyptic number.

25328079 is a deficient number, since it is larger than the sum of its proper divisors (20083761).

25328079 is a wasteful number, since it uses less digits than its factorization.

25328079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7916 (or 7910 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 25328079 is about 5032.7009646908. The cubic root of 25328079 is about 293.6752974974.

The spelling of 25328079 in words is "twenty-five million, three hundred twenty-eight thousand, seventy-nine".