180504425 has 6 divisors (see below), whose sum is σ = 223825518. Its totient is φ = 144403520.

The previous prime is 180504409. The next prime is 180504449. The reversal of 180504425 is 524405081.

It can be written as a sum of positive squares in 3 ways, for example, as 36192256 + 144312169 = 6016^2 + 12013^2 .

It is not a de Polignac number, because 180504425 - 2⁴ = 180504409 is a prime.

It is a Duffinian number.

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, 3610064 + ... + 3610113.

It is an arithmetic number, because the mean of its divisors is an integer number (37304253).

Almost surely, 2^180504425 is an apocalyptic number.

It is an amenable number.

180504425 is a deficient number, since it is larger than the sum of its proper divisors (43321093).

180504425 is an equidigital number, since it uses as much as digits as its factorization.

180504425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7220187 (or 7220182 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 180504425 is about 13435.1935229828. The cubic root of 180504425 is about 565.1485499705.

The spelling of 180504425 in words is "one hundred eighty million, five hundred four thousand, four hundred twenty-five".