561254316067 has 2 divisors, whose sum is σ = 561254316068. Its totient is φ = 561254316066.

The previous prime is 561254316037. The next prime is 561254316083. The reversal of 561254316067 is 760613452165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 561254316067 - 2³¹ = 559106832419 is a prime.

It is not a weakly prime, because it can be changed into another prime (561254316037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280627158033 + 280627158034.

It is an arithmetic number, because the mean of its divisors is an integer number (280627158034).

Almost surely, 2^561254316067 is an apocalyptic number.

561254316067 is a deficient number, since it is larger than the sum of its proper divisors (1).

561254316067 is an equidigital number, since it uses as much as digits as its factorization.

561254316067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 561254316067 in words is "five hundred sixty-one billion, two hundred fifty-four million, three hundred sixteen thousand, sixty-seven".