25328115 has 24 divisors (see below), whose sum is σ = 44626608. Its totient is φ = 13285440.

The previous prime is 25328059. The next prime is 25328137. The reversal of 25328115 is 51182352.

It is a happy number.

It is not a de Polignac number, because 25328115 - 2⁷ = 25327987 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1869 + ... + 7358.

It is an arithmetic number, because the mean of its divisors is an integer number (1859442).

Almost surely, 2^25328115 is an apocalyptic number.

25328115 is a deficient number, since it is larger than the sum of its proper divisors (19298493).

25328115 is a wasteful number, since it uses less digits than its factorization.

25328115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9299 (or 9296 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 25328115 is about 5032.7045412978. The cubic root of 25328115 is about 293.6754366356.

The spelling of 25328115 in words is "twenty-five million, three hundred twenty-eight thousand, one hundred fifteen".