25328959 has 4 divisors (see below), whose sum is σ = 25469080. Its totient is φ = 25188840.

The previous prime is 25328951. The next prime is 25328987. The reversal of 25328959 is 95982352.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25328959 - 2³ = 25328951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25328951) 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, 69789 + ... + 70150.

It is an arithmetic number, because the mean of its divisors is an integer number (6367270).

Almost surely, 2^25328959 is an apocalyptic number.

25328959 is a deficient number, since it is larger than the sum of its proper divisors (140121).

25328959 is a wasteful number, since it uses less digits than its factorization.

25328959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140120.

The product of its digits is 194400, while the sum is 43.

The square root of 25328959 is about 5032.7883921341. The cubic root of 25328959 is about 293.6786986143.

The spelling of 25328959 in words is "twenty-five million, three hundred twenty-eight thousand, nine hundred fifty-nine".