610505560513 has 2 divisors, whose sum is σ = 610505560514. Its totient is φ = 610505560512.

The previous prime is 610505560487. The next prime is 610505560559. The reversal of 610505560513 is 315065505016.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 517582402624 + 92923157889 = 719432^2 + 304833^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-610505560513 is a prime.

It is not a weakly prime, because it can be changed into another prime (610505560013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305252780256 + 305252780257.

It is an arithmetic number, because the mean of its divisors is an integer number (305252780257).

Almost surely, 2^610505560513 is an apocalyptic number.

It is an amenable number.

610505560513 is a deficient number, since it is larger than the sum of its proper divisors (1).

610505560513 is an equidigital number, since it uses as much as digits as its factorization.

610505560513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67500, while the sum is 37.

The spelling of 610505560513 in words is "six hundred ten billion, five hundred five million, five hundred sixty thousand, five hundred thirteen".