516295617 has 4 divisors (see below), whose sum is σ = 688394160. Its totient is φ = 344197076.

The previous prime is 516295609. The next prime is 516295649. The reversal of 516295617 is 716592615.

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.

It is a cyclic number.

It is not a de Polignac number, because 516295617 - 2³ = 516295609 is a prime.

It is a super-2 number, since 2×516295617² = 533122328266821378, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (516295667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86049267 + ... + 86049272.

It is an arithmetic number, because the mean of its divisors is an integer number (172098540).

Almost surely, 2^516295617 is an apocalyptic number.

It is an amenable number.

516295617 is a deficient number, since it is larger than the sum of its proper divisors (172098543).

516295617 is a wasteful number, since it uses less digits than its factorization.

516295617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172098542.

The product of its digits is 113400, while the sum is 42.

The square root of 516295617 is about 22722.1393579038. The cubic root of 516295617 is about 802.2310726303.

The spelling of 516295617 in words is "five hundred sixteen million, two hundred ninety-five thousand, six hundred seventeen".