180712225 has 12 divisors (see below), whose sum is σ = 224252140. Its totient is φ = 144460800.

The previous prime is 180712223. The next prime is 180712241. The reversal of 180712225 is 522217081.

It can be written as a sum of positive squares in 6 ways, for example, as 1366561 + 179345664 = 1169^2 + 13392^2 .

It is not a de Polignac number, because 180712225 - 2¹ = 180712223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 180712193 and 180712202.

It is not an unprimeable number, because it can be changed into a prime (180712223) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 55441 + ... + 58609.

Almost surely, 2^180712225 is an apocalyptic number.

It is an amenable number.

180712225 is a deficient number, since it is larger than the sum of its proper divisors (43539915).

180712225 is a wasteful number, since it uses less digits than its factorization.

180712225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5460 (or 5455 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 180712225 is about 13442.9247189739. The cubic root of 180712225 is about 565.3653365893.

The spelling of 180712225 in words is "one hundred eighty million, seven hundred twelve thousand, two hundred twenty-five".