359561 has 2 divisors, whose sum is σ = 359562. Its totient is φ = 359560.

The previous prime is 359549. The next prime is 359563. The reversal of 359561 is 165953.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 250000 + 109561 = 500^2 + 331^2 .

It is a cyclic number.

It is not a de Polignac number, because 359561 - 2¹⁴ = 343177 is a prime.

It is a super-2 number, since 2×359561² = 258568225442, which contains 22 as substring.

Together with 359563, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (359563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 179780 + 179781.

It is an arithmetic number, because the mean of its divisors is an integer number (179781).

2³⁵⁹⁵⁶¹ is an apocalyptic number.

It is an amenable number.

359561 is a deficient number, since it is larger than the sum of its proper divisors (1).

359561 is an equidigital number, since it uses as much as digits as its factorization.

359561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4050, while the sum is 29.

The square root of 359561 is about 599.6340550703. The cubic root of 359561 is about 71.1089381027.

The spelling of 359561 in words is "three hundred fifty-nine thousand, five hundred sixty-one".