180460261 has 2 divisors, whose sum is σ = 180460262. Its totient is φ = 180460260.

The previous prime is 180460201. The next prime is 180460303. The reversal of 180460261 is 162064081.

180460261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172108161 + 8352100 = 13119^2 + 2890^2 .

It is an emirp because it is prime and its reverse (162064081) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 180460261 - 2¹⁷ = 180329189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (180460201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90230130 + 90230131.

It is an arithmetic number, because the mean of its divisors is an integer number (90230131).

Almost surely, 2^180460261 is an apocalyptic number.

It is an amenable number.

180460261 is a deficient number, since it is larger than the sum of its proper divisors (1).

180460261 is an equidigital number, since it uses as much as digits as its factorization.

180460261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 180460261 is about 13433.5498286938. The cubic root of 180460261 is about 565.1024545974.

The spelling of 180460261 in words is "one hundred eighty million, four hundred sixty thousand, two hundred sixty-one".