561223393 has 2 divisors, whose sum is σ = 561223394. Its totient is φ = 561223392.

The previous prime is 561223357. The next prime is 561223459. The reversal of 561223393 is 393322165.

561223393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 496710369 + 64513024 = 22287^2 + 8032^2 .

It is a cyclic number.

It is not a de Polignac number, because 561223393 - 2⁹ = 561222881 is a prime.

It is not a weakly prime, because it can be changed into another prime (561223303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280611696 + 280611697.

It is an arithmetic number, because the mean of its divisors is an integer number (280611697).

Almost surely, 2^561223393 is an apocalyptic number.

It is an amenable number.

561223393 is a deficient number, since it is larger than the sum of its proper divisors (1).

561223393 is an equidigital number, since it uses as much as digits as its factorization.

561223393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 34.

The square root of 561223393 is about 23690.1539252070. The cubic root of 561223393 is about 824.8568557279.

The spelling of 561223393 in words is "five hundred sixty-one million, two hundred twenty-three thousand, three hundred ninety-three".