561334079 has 2 divisors, whose sum is σ = 561334080. Its totient is φ = 561334078.

The previous prime is 561334027. The next prime is 561334093. The reversal of 561334079 is 970433165.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 561334079 - 2¹² = 561329983 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (561334099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280667039 + 280667040.

It is an arithmetic number, because the mean of its divisors is an integer number (280667040).

Almost surely, 2^561334079 is an apocalyptic number.

561334079 is a deficient number, since it is larger than the sum of its proper divisors (1).

561334079 is an equidigital number, since it uses as much as digits as its factorization.

561334079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 561334079 is about 23692.4899282452. The cubic root of 561334079 is about 824.9110789990.

The spelling of 561334079 in words is "five hundred sixty-one million, three hundred thirty-four thousand, seventy-nine".