25964361 has 8 divisors (see below), whose sum is σ = 38465760. Its totient is φ = 17309556.

The previous prime is 25964353. The next prime is 25964371. The reversal of 25964361 is 16346952.

It is a happy number.

25964361 is a `hidden beast` number, since 2 + 5 + 9 + 643 + 6 + 1 = 666.

It is not a de Polignac number, because 25964361 - 2³ = 25964353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25964371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480795 + ... + 480848.

It is an arithmetic number, because the mean of its divisors is an integer number (4808220).

Almost surely, 2^25964361 is an apocalyptic number.

It is an amenable number.

25964361 is a deficient number, since it is larger than the sum of its proper divisors (12501399).

25964361 is an equidigital number, since it uses as much as digits as its factorization.

25964361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961652 (or 961646 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 25964361 is about 5095.5236237309. The cubic root of 25964361 is about 296.1141854626.

It can be divided in two parts, 259 and 64361, that added together give a triangular number (64620 = T₃₅₉).

The spelling of 25964361 in words is "twenty-five million, nine hundred sixty-four thousand, three hundred sixty-one".