180826225 has 6 divisors (see below), whose sum is σ = 224224550. Its totient is φ = 144660960.

The previous prime is 180826201. The next prime is 180826231. The reversal of 180826225 is 522628081.

It can be written as a sum of positive squares in 3 ways, for example, as 4016016 + 176810209 = 2004^2 + 13297^2 .

It is a de Polignac number, because none of the positive numbers 2^k-180826225 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3616500 + ... + 3616549.

Almost surely, 2^180826225 is an apocalyptic number.

It is an amenable number.

180826225 is a deficient number, since it is larger than the sum of its proper divisors (43398325).

180826225 is an equidigital number, since it uses as much as digits as its factorization.

180826225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7233059 (or 7233054 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 180826225 is about 13447.1641991908. The cubic root of 180826225 is about 565.4841961007.

The spelling of 180826225 in words is "one hundred eighty million, eight hundred twenty-six thousand, two hundred twenty-five".