25233813 has 12 divisors (see below), whose sum is σ = 39762528. Its totient is φ = 15293160.

The previous prime is 25233787. The next prime is 25233841. The reversal of 25233813 is 31833252.

It is not a de Polignac number, because 25233813 - 2⁹ = 25233301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25233853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127345 + ... + 127542.

It is an arithmetic number, because the mean of its divisors is an integer number (3313544).

Almost surely, 2^25233813 is an apocalyptic number.

It is an amenable number.

25233813 is a deficient number, since it is larger than the sum of its proper divisors (14528715).

25233813 is a wasteful number, since it uses less digits than its factorization.

25233813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254904 (or 254901 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 25233813 is about 5023.3268856406. The cubic root of 25233813 is about 293.3105111663.

It can be divided in two parts, 2523 and 3813, that added together give a palindrome (6336).

The spelling of 25233813 in words is "twenty-five million, two hundred thirty-three thousand, eight hundred thirteen".