561359 has 2 divisors, whose sum is σ = 561360. Its totient is φ = 561358.

The previous prime is 561347. The next prime is 561367. The reversal of 561359 is 953165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 561359 - 2⁴ = 561343 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (561389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280679 + 280680.

It is an arithmetic number, because the mean of its divisors is an integer number (280680).

2⁵⁶¹³⁵⁹ is an apocalyptic number.

561359 is a deficient number, since it is larger than the sum of its proper divisors (1).

561359 is an equidigital number, since it uses as much as digits as its factorization.

561359 is an odious number, because the sum of its binary digits is odd.

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

The square root of 561359 is about 749.2389471991. The cubic root of 561359 is about 82.4923286408.

The spelling of 561359 in words is "five hundred sixty-one thousand, three hundred fifty-nine".