361460581 has 2 divisors, whose sum is σ = 361460582. Its totient is φ = 361460580.

The previous prime is 361460557. The next prime is 361460587. The reversal of 361460581 is 185064163.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 290395681 + 71064900 = 17041^2 + 8430^2 .

It is a cyclic number.

It is not a de Polignac number, because 361460581 - 2⁵ = 361460549 is a prime.

It is a super-2 number, since 2×361460581² = 261307503233715122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (361460587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180730290 + 180730291.

It is an arithmetic number, because the mean of its divisors is an integer number (180730291).

Almost surely, 2^361460581 is an apocalyptic number.

It is an amenable number.

361460581 is a deficient number, since it is larger than the sum of its proper divisors (1).

361460581 is an equidigital number, since it uses as much as digits as its factorization.

361460581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 361460581 is about 19012.1166891012. The cubic root of 361460581 is about 712.3394239964.

The spelling of 361460581 in words is "three hundred sixty-one million, four hundred sixty thousand, five hundred eighty-one".