180880481 has 2 divisors, whose sum is σ = 180880482. Its totient is φ = 180880480.

The previous prime is 180880471. The next prime is 180880499. The reversal of 180880481 is 184088081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164070481 + 16810000 = 12809^2 + 4100^2 .

It is an emirp because it is prime and its reverse (184088081) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 180880481 - 2⁶ = 180880417 is a prime.

It is a super-2 number, since 2×180880481² = 65435496813582722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (180880411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90440240 + 90440241.

It is an arithmetic number, because the mean of its divisors is an integer number (90440241).

Almost surely, 2^180880481 is an apocalyptic number.

It is an amenable number.

180880481 is a deficient number, since it is larger than the sum of its proper divisors (1).

180880481 is an equidigital number, since it uses as much as digits as its factorization.

180880481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16384, while the sum is 38.

The square root of 180880481 is about 13449.1814249046. The cubic root of 180880481 is about 565.5407473421.

The spelling of 180880481 in words is "one hundred eighty million, eight hundred eighty thousand, four hundred eighty-one".