25213183 has 4 divisors (see below), whose sum is σ = 25411840. Its totient is φ = 25014528.

The previous prime is 25213141. The next prime is 25213187. The reversal of 25213183 is 38131252.

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 25213183 - 2²¹ = 23116031 is a prime.

It is a super-4 number, since 4×25213183⁴ (a number of 31 digits) contains 4444 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 (25213187) 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, 99138 + ... + 99391.

It is an arithmetic number, because the mean of its divisors is an integer number (6352960).

Almost surely, 2^25213183 is an apocalyptic number.

25213183 is a deficient number, since it is larger than the sum of its proper divisors (198657).

25213183 is a wasteful number, since it uses less digits than its factorization.

25213183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198656.

The product of its digits is 1440, while the sum is 25.

The square root of 25213183 is about 5021.2730457524. The cubic root of 25213183 is about 293.2305569980.

The spelling of 25213183 in words is "twenty-five million, two hundred thirteen thousand, one hundred eighty-three".