561376297 has 2 divisors, whose sum is σ = 561376298. Its totient is φ = 561376296.

The previous prime is 561376279. The next prime is 561376301. The reversal of 561376297 is 792673165.

561376297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (561376279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 519657616 + 41718681 = 22796^2 + 6459^2 .

It is a cyclic number.

It is not a de Polignac number, because 561376297 - 2²⁷ = 427158569 is a prime.

It is not a weakly prime, because it can be changed into another prime (561376217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280688148 + 280688149.

It is an arithmetic number, because the mean of its divisors is an integer number (280688149).

Almost surely, 2^561376297 is an apocalyptic number.

It is an amenable number.

561376297 is a deficient number, since it is larger than the sum of its proper divisors (1).

561376297 is an equidigital number, since it uses as much as digits as its factorization.

561376297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 476280, while the sum is 46.

The square root of 561376297 is about 23693.3808689262. The cubic root of 561376297 is about 824.9317590326.

The spelling of 561376297 in words is "five hundred sixty-one million, three hundred seventy-six thousand, two hundred ninety-seven".