25872663 has 4 divisors (see below), whose sum is σ = 34496888. Its totient is φ = 17248440.

The previous prime is 25872647. The next prime is 25872697. The reversal of 25872663 is 36627852.

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

It is not a de Polignac number, because 25872663 - 2⁴ = 25872647 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 (25872643) 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, 4312108 + ... + 4312113.

It is an arithmetic number, because the mean of its divisors is an integer number (8624222).

Almost surely, 2^25872663 is an apocalyptic number.

25872663 is a deficient number, since it is larger than the sum of its proper divisors (8624225).

25872663 is an equidigital number, since it uses as much as digits as its factorization.

25872663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8624224.

The product of its digits is 120960, while the sum is 39.

The square root of 25872663 is about 5086.5177675891. The cubic root of 25872663 is about 295.7651800595.

The spelling of 25872663 in words is "twenty-five million, eight hundred seventy-two thousand, six hundred sixty-three".