561339193 has 2 divisors, whose sum is σ = 561339194. Its totient is φ = 561339192.

The previous prime is 561339169. The next prime is 561339197. The reversal of 561339193 is 391933165.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 346071609 + 215267584 = 18603^2 + 14672^2 .

It is a cyclic number.

It is not a de Polignac number, because 561339193 - 2¹⁷ = 561208121 is a prime.

It is not a weakly prime, because it can be changed into another prime (561339197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280669596 + 280669597.

It is an arithmetic number, because the mean of its divisors is an integer number (280669597).

Almost surely, 2^561339193 is an apocalyptic number.

It is an amenable number.

561339193 is a deficient number, since it is larger than the sum of its proper divisors (1).

561339193 is an equidigital number, since it uses as much as digits as its factorization.

561339193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 65610, while the sum is 40.

The square root of 561339193 is about 23692.5978524939. The cubic root of 561339193 is about 824.9135840921.

The spelling of 561339193 in words is "five hundred sixty-one million, three hundred thirty-nine thousand, one hundred ninety-three".