561254316037 has 2 divisors, whose sum is σ = 561254316038. Its totient is φ = 561254316036.

The previous prime is 561254316013. The next prime is 561254316067. The reversal of 561254316037 is 730613452165.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 314077301476 + 247177014561 = 560426^2 + 497169^2 .

It is a cyclic number.

It is not a de Polignac number, because 561254316037 - 2²⁷ = 561120098309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 561254315984 and 561254316002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (561254316067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280627158018 + 280627158019.

It is an arithmetic number, because the mean of its divisors is an integer number (280627158019).

Almost surely, 2^561254316037 is an apocalyptic number.

It is an amenable number.

561254316037 is a deficient number, since it is larger than the sum of its proper divisors (1).

561254316037 is an equidigital number, since it uses as much as digits as its factorization.

561254316037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 43.

The spelling of 561254316037 in words is "five hundred sixty-one billion, two hundred fifty-four million, three hundred sixteen thousand, thirty-seven".