25612863 has 16 divisors (see below), whose sum is σ = 36756576. Its totient is φ = 15805440.

The previous prime is 25612859. The next prime is 25612883. The reversal of 25612863 is 36821652.

It is not a de Polignac number, because 25612863 - 2² = 25612859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25612883) 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, 1006 + ... + 7227.

It is an arithmetic number, because the mean of its divisors is an integer number (2297286).

Almost surely, 2^25612863 is an apocalyptic number.

25612863 is a deficient number, since it is larger than the sum of its proper divisors (11143713).

25612863 is a wasteful number, since it uses less digits than its factorization.

25612863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8314.

The product of its digits is 17280, while the sum is 33.

The square root of 25612863 is about 5060.9152334336. The cubic root of 25612863 is about 294.7718738106.

The spelling of 25612863 in words is "twenty-five million, six hundred twelve thousand, eight hundred sixty-three".