61302700375513 has 2 divisors, whose sum is σ = 61302700375514. Its totient is φ = 61302700375512.

The previous prime is 61302700375507. The next prime is 61302700375577. The reversal of 61302700375513 is 31557300720316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60372231781849 + 930468593664 = 7769957^2 + 964608^2 .

It is a cyclic number.

It is not a de Polignac number, because 61302700375513 - 2³³ = 61294110440921 is a prime.

It is a super-2 number, since 2×61302700375513² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61302700375513.

It is not a weakly prime, because it can be changed into another prime (61302700372513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30651350187756 + 30651350187757.

It is an arithmetic number, because the mean of its divisors is an integer number (30651350187757).

Almost surely, 2^{61302700375513} is an apocalyptic number.

It is an amenable number.

61302700375513 is a deficient number, since it is larger than the sum of its proper divisors (1).

61302700375513 is an equidigital number, since it uses as much as digits as its factorization.

61302700375513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 396900, while the sum is 43.

The spelling of 61302700375513 in words is "sixty-one trillion, three hundred two billion, seven hundred million, three hundred seventy-five thousand, five hundred thirteen".