183299578225 has 9 divisors (see below), whose sum is σ = 227294131467. Its totient is φ = 146637950040.

The previous prime is 183299578223. The next prime is 183299578249. The reversal of 183299578225 is 522875992381.

The square root of 183299578225 is 428135.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 65987848161 + 117311730064 = 256881^2 + 342508^2 .

It is not a de Polignac number, because 183299578225 - 2¹ = 183299578223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (183299578223) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2097862 + ... + 2183488.

Almost surely, 2^183299578225 is an apocalyptic number.

183299578225 is the 428135-th square number.

183299578225 is the 214068-th centered octagonal number.

It is an amenable number.

183299578225 is a deficient number, since it is larger than the sum of its proper divisors (43994553242).

183299578225 is an frugal number, since it uses more digits than its factorization.

183299578225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171264 (or 85632 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 61.

The spelling of 183299578225 in words is "one hundred eighty-three billion, two hundred ninety-nine million, five hundred seventy-eight thousand, two hundred twenty-five".