652510515161 has 2 divisors, whose sum is σ = 652510515162. Its totient is φ = 652510515160.

The previous prime is 652510515157. The next prime is 652510515193. The reversal of 652510515161 is 161515015256.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 651662249536 + 848265625 = 807256^2 + 29125^2 .

It is a cyclic number.

It is not a de Polignac number, because 652510515161 - 2² = 652510515157 is a prime.

It is a super-2 number, since 2×652510515161² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (652510515061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326255257580 + 326255257581.

It is an arithmetic number, because the mean of its divisors is an integer number (326255257581).

Almost surely, 2^652510515161 is an apocalyptic number.

It is an amenable number.

652510515161 is a deficient number, since it is larger than the sum of its proper divisors (1).

652510515161 is an equidigital number, since it uses as much as digits as its factorization.

652510515161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45000, while the sum is 38.

The spelling of 652510515161 in words is "six hundred fifty-two billion, five hundred ten million, five hundred fifteen thousand, one hundred sixty-one".