25872618 has 8 divisors (see below), whose sum is σ = 51745248. Its totient is φ = 8624204.

The previous prime is 25872617. The next prime is 25872619. The reversal of 25872618 is 81627852.

It is an interprime number because it is at equal distance from previous prime (25872617) and next prime (25872619).

It is a sphenic number, since it is the product of 3 distinct primes.

25872618 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (25872617) 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, 2156046 + ... + 2156057.

It is an arithmetic number, because the mean of its divisors is an integer number (6468156).

Almost surely, 2^25872618 is an apocalyptic number.

25872618 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25872618 is a wasteful number, since it uses less digits than its factorization.

25872618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4312108.

The product of its digits is 53760, while the sum is 39.

The square root of 25872618 is about 5086.5133441288. The cubic root of 25872618 is about 295.7650085858.

The spelling of 25872618 in words is "twenty-five million, eight hundred seventy-two thousand, six hundred eighteen".