610337500081 has 9 divisors (see below), whose sum is σ = 638046454521. Its totient is φ = 583783899732.

The previous prime is 610337500001. The next prime is 610337500133. The reversal of 610337500081 is 180005733016.

The square root of 610337500081 is 781241.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 610337500081 - 2³⁷ = 472898546609 is a prime.

It is a super-2 number, since 2×610337500081² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (610337500001) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 17951560 + ... + 17985526.

Almost surely, 2^610337500081 is an apocalyptic number.

610337500081 is the 781241-st square number.

610337500081 is the 390621-st centered octagonal number.

It is an amenable number.

610337500081 is a deficient number, since it is larger than the sum of its proper divisors (27708954440).

610337500081 is an frugal number, since it uses more digits than its factorization.

610337500081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67980 (or 33990 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 610337500081 in words is "six hundred ten billion, three hundred thirty-seven million, five hundred thousand, eighty-one".