25383237 has 32 divisors (see below), whose sum is σ = 39315456. Its totient is φ = 14414400.

The previous prime is 25383229. The next prime is 25383257. The reversal of 25383237 is 73238352.

It is not a de Polignac number, because 25383237 - 2³ = 25383229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 25383198 and 25383207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25383257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39912 + ... + 40542.

It is an arithmetic number, because the mean of its divisors is an integer number (1228608).

Almost surely, 2^25383237 is an apocalyptic number.

It is an amenable number.

25383237 is a deficient number, since it is larger than the sum of its proper divisors (13932219).

25383237 is a wasteful number, since it uses less digits than its factorization.

25383237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721.

The product of its digits is 30240, while the sum is 33.

The square root of 25383237 is about 5038.1779444557. The cubic root of 25383237 is about 293.8883258591. Note that the first 3 decimals are identical.

It can be divided in two parts, 2538 and 3237, that added together give a palindrome (5775).

The spelling of 25383237 in words is "twenty-five million, three hundred eighty-three thousand, two hundred thirty-seven".