561079 has 2 divisors, whose sum is σ = 561080. Its totient is φ = 561078.

The previous prime is 561061. The next prime is 561083. The reversal of 561079 is 970165.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 561079 - 2⁵ = 561047 is a prime.

It is a Chen prime.

561079 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (561019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280539 + 280540.

It is an arithmetic number, because the mean of its divisors is an integer number (280540).

2⁵⁶¹⁰⁷⁹ is an apocalyptic number.

561079 is a deficient number, since it is larger than the sum of its proper divisors (1).

561079 is an equidigital number, since it uses as much as digits as its factorization.

561079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 561079 is about 749.0520676161. The cubic root of 561079 is about 82.4786109228.

The spelling of 561079 in words is "five hundred sixty-one thousand, seventy-nine".