516460513 has 4 divisors (see below), whose sum is σ = 519314068. Its totient is φ = 513606960.

The previous prime is 516460501. The next prime is 516460517. The reversal of 516460513 is 315064615.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 315064615 = 5 ⋅63012923.

It can be written as a sum of positive squares in 2 ways, for example, as 47651409 + 468809104 = 6903^2 + 21652^2 .

It is a cyclic number.

It is not a de Polignac number, because 516460513 - 2⁵ = 516460481 is a prime.

It is a super-2 number, since 2×516460513² = 533462922976446338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516460517) 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, 1426506 + ... + 1426867.

It is an arithmetic number, because the mean of its divisors is an integer number (129828517).

Almost surely, 2^516460513 is an apocalyptic number.

It is an amenable number.

516460513 is a deficient number, since it is larger than the sum of its proper divisors (2853555).

516460513 is a wasteful number, since it uses less digits than its factorization.

516460513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2853554.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 516460513 is about 22725.7675997974. The cubic root of 516460513 is about 802.3164698394.

The spelling of 516460513 in words is "five hundred sixteen million, four hundred sixty thousand, five hundred thirteen".