183564225 has 120 divisors (see below), whose sum is σ = 386503040. Its totient is φ = 85380480.

The previous prime is 183564223. The next prime is 183564247. The reversal of 183564225 is 522465381.

183564225 is a `hidden beast` number, since 1 + 8 + 3 + 5 + 642 + 2 + 5 = 666.

It is not a de Polignac number, because 183564225 - 2¹ = 183564223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 183564225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (183564223) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 499992 + ... + 500358.

Almost surely, 2^183564225 is an apocalyptic number.

183564225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

183564225 is an abundant number, since it is smaller than the sum of its proper divisors (202938815).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

183564225 is a wasteful number, since it uses less digits than its factorization.

183564225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 407 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 183564225 is about 13548.5875647611. The cubic root of 183564225 is about 568.3240243132.

The spelling of 183564225 in words is "one hundred eighty-three million, five hundred sixty-four thousand, two hundred twenty-five".