561199 has 2 divisors, whose sum is σ = 561200. Its totient is φ = 561198.

The previous prime is 561191. The next prime is 561229. The reversal of 561199 is 991165.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 561199 - 2³ = 561191 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 561199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (561191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280599 + 280600.

It is an arithmetic number, because the mean of its divisors is an integer number (280600).

2⁵⁶¹¹⁹⁹ is an apocalyptic number.

561199 is a deficient number, since it is larger than the sum of its proper divisors (1).

561199 is an equidigital number, since it uses as much as digits as its factorization.

561199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2430, while the sum is 31.

The square root of 561199 is about 749.1321645744. The cubic root of 561199 is about 82.4844905035.

The spelling of 561199 in words is "five hundred sixty-one thousand, one hundred ninety-nine".