512517507061 has 4 divisors (see below), whose sum is σ = 585734293792. Its totient is φ = 439300720332.

The previous prime is 512517507059. The next prime is 512517507083. The reversal of 512517507061 is 160705715215.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 160705715215 = 5 ⋅32141143043.

It is a cyclic number.

It is not a de Polignac number, because 512517507061 - 2¹ = 512517507059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512517507091) 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 in 3 ways as a sum of consecutive naturals, for example, 36608393355 + ... + 36608393368.

It is an arithmetic number, because the mean of its divisors is an integer number (146433573448).

Almost surely, 2^512517507061 is an apocalyptic number.

It is an amenable number.

512517507061 is a deficient number, since it is larger than the sum of its proper divisors (73216786731).

512517507061 is an equidigital number, since it uses as much as digits as its factorization.

512517507061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73216786730.

The product of its (nonzero) digits is 73500, while the sum is 40.

The spelling of 512517507061 in words is "five hundred twelve billion, five hundred seventeen million, five hundred seven thousand, sixty-one".