25133863 has 4 divisors (see below), whose sum is σ = 25157368. Its totient is φ = 25110360.

The previous prime is 25133831. The next prime is 25133869. The reversal of 25133863 is 36833152.

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

It is a cyclic number.

It is not a de Polignac number, because 25133863 - 2⁵ = 25133831 is a prime.

It is a super-2 number, since 2×25133863² = 1263422138605538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25133869) 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, 10068 + ... + 12313.

It is an arithmetic number, because the mean of its divisors is an integer number (6289342).

Almost surely, 2^25133863 is an apocalyptic number.

25133863 is a deficient number, since it is larger than the sum of its proper divisors (23505).

25133863 is a wasteful number, since it uses less digits than its factorization.

25133863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23504.

The product of its digits is 12960, while the sum is 31.

The square root of 25133863 is about 5013.3684285119. The cubic root of 25133863 is about 292.9227354735.

The spelling of 25133863 in words is "twenty-five million, one hundred thirty-three thousand, eight hundred sixty-three".