180539225 has 6 divisors (see below), whose sum is σ = 223868670. Its totient is φ = 144431360.

The previous prime is 180539209. The next prime is 180539237. The reversal of 180539225 is 522935081.

It can be written as a sum of positive squares in 3 ways, for example, as 62425801 + 118113424 = 7901^2 + 10868^2 .

It is not a de Polignac number, because 180539225 - 2⁴ = 180539209 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3610760 + ... + 3610809.

It is an arithmetic number, because the mean of its divisors is an integer number (37311445).

Almost surely, 2^180539225 is an apocalyptic number.

It is an amenable number.

180539225 is a deficient number, since it is larger than the sum of its proper divisors (43329445).

180539225 is an equidigital number, since it uses as much as digits as its factorization.

180539225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7221579 (or 7221574 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 180539225 is about 13436.4885665861. The cubic root of 180539225 is about 565.1848665424.

The spelling of 180539225 in words is "one hundred eighty million, five hundred thirty-nine thousand, two hundred twenty-five".