359581 has 2 divisors, whose sum is σ = 359582. Its totient is φ = 359580.

The previous prime is 359563. The next prime is 359587. The reversal of 359581 is 185953.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 225625 + 133956 = 475^2 + 366^2 .

It is a cyclic number.

It is not a de Polignac number, because 359581 - 2⁵ = 359549 is a prime.

It is a super-2 number, since 2×359581² = 258596991122, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (359587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 179790 + 179791.

It is an arithmetic number, because the mean of its divisors is an integer number (179791).

2³⁵⁹⁵⁸¹ is an apocalyptic number.

It is an amenable number.

359581 is a deficient number, since it is larger than the sum of its proper divisors (1).

359581 is an equidigital number, since it uses as much as digits as its factorization.

359581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 31.

The square root of 359581 is about 599.6507316764. The cubic root of 359581 is about 71.1102565182.

The spelling of 359581 in words is "three hundred fifty-nine thousand, five hundred eighty-one".