516333913 has 4 divisors (see below), whose sum is σ = 519218640. Its totient is φ = 513449188.

The previous prime is 516333901. The next prime is 516333919. The reversal of 516333913 is 319333615.

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: 319333615 = 5 ⋅63866723.

It is a cyclic number.

It is not a de Polignac number, because 516333913 - 2¹³ = 516325721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516333919) 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, 1442095 + ... + 1442452.

It is an arithmetic number, because the mean of its divisors is an integer number (129804660).

Almost surely, 2^516333913 is an apocalyptic number.

It is an amenable number.

516333913 is a deficient number, since it is larger than the sum of its proper divisors (2884727).

516333913 is a wasteful number, since it uses less digits than its factorization.

516333913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2884726.

The product of its digits is 21870, while the sum is 34.

The square root of 516333913 is about 22722.9820446173. The cubic root of 516333913 is about 802.2509071854.

The spelling of 516333913 in words is "five hundred sixteen million, three hundred thirty-three thousand, nine hundred thirteen".