25959387 has 16 divisors (see below), whose sum is σ = 36241920. Its totient is φ = 16496832.

The previous prime is 25959359. The next prime is 25959389. The reversal of 25959387 is 78395952.

It is a happy number.

It is not a de Polignac number, because 25959387 - 2¹² = 25955291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25959389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29863 + ... + 30719.

It is an arithmetic number, because the mean of its divisors is an integer number (2265120).

Almost surely, 2^25959387 is an apocalyptic number.

25959387 is a deficient number, since it is larger than the sum of its proper divisors (10282533).

25959387 is a wasteful number, since it uses less digits than its factorization.

25959387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322.

The product of its digits is 680400, while the sum is 48.

The square root of 25959387 is about 5095.0355249007. The cubic root of 25959387 is about 296.0952753622.

The spelling of 25959387 in words is "twenty-five million, nine hundred fifty-nine thousand, three hundred eighty-seven".