561014497 has 2 divisors, whose sum is σ = 561014498. Its totient is φ = 561014496.

The previous prime is 561014491. The next prime is 561014549. The reversal of 561014497 is 794410165.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 435932641 + 125081856 = 20879^2 + 11184^2 .

It is a cyclic number.

It is not a de Polignac number, because 561014497 - 2⁷ = 561014369 is a prime.

It is not a weakly prime, because it can be changed into another prime (561014491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280507248 + 280507249.

It is an arithmetic number, because the mean of its divisors is an integer number (280507249).

Almost surely, 2^561014497 is an apocalyptic number.

It is an amenable number.

561014497 is a deficient number, since it is larger than the sum of its proper divisors (1).

561014497 is an equidigital number, since it uses as much as digits as its factorization.

561014497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 561014497 is about 23685.7445945868. The cubic root of 561014497 is about 824.7545015477.

The spelling of 561014497 in words is "five hundred sixty-one million, fourteen thousand, four hundred ninety-seven".