180087241 has 2 divisors, whose sum is σ = 180087242. Its totient is φ = 180087240.

The previous prime is 180087233. The next prime is 180087247. The reversal of 180087241 is 142780081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117614025 + 62473216 = 10845^2 + 7904^2 .

It is a cyclic number.

It is not a de Polignac number, because 180087241 - 2³ = 180087233 is a prime.

It is not a weakly prime, because it can be changed into another prime (180087247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90043620 + 90043621.

It is an arithmetic number, because the mean of its divisors is an integer number (90043621).

Almost surely, 2^180087241 is an apocalyptic number.

It is an amenable number.

180087241 is a deficient number, since it is larger than the sum of its proper divisors (1).

180087241 is an equidigital number, since it uses as much as digits as its factorization.

180087241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 180087241 is about 13419.6587512500. The cubic root of 180087241 is about 564.7128214002.

The spelling of 180087241 in words is "one hundred eighty million, eighty-seven thousand, two hundred forty-one".