561199073 has 2 divisors, whose sum is σ = 561199074. Its totient is φ = 561199072.

The previous prime is 561199069. The next prime is 561199117. The reversal of 561199073 is 370991165.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 439824784 + 121374289 = 20972^2 + 11017^2 .

It is a cyclic number.

It is not a de Polignac number, because 561199073 - 2² = 561199069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 561199073.

It is not a weakly prime, because it can be changed into another prime (561199003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280599536 + 280599537.

It is an arithmetic number, because the mean of its divisors is an integer number (280599537).

Almost surely, 2^561199073 is an apocalyptic number.

It is an amenable number.

561199073 is a deficient number, since it is larger than the sum of its proper divisors (1).

561199073 is an equidigital number, since it uses as much as digits as its factorization.

561199073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51030, while the sum is 41.

The square root of 561199073 is about 23689.6406262315. The cubic root of 561199073 is about 824.8449408002.

The spelling of 561199073 in words is "five hundred sixty-one million, one hundred ninety-nine thousand, seventy-three".