516009973 has 4 divisors (see below), whose sum is σ = 532655488. Its totient is φ = 499364460.

The previous prime is 516009971. The next prime is 516009979. The reversal of 516009973 is 379900615.

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 516009973 - 2¹ = 516009971 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 (516009971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8322711 + ... + 8322772.

It is an arithmetic number, because the mean of its divisors is an integer number (133163872).

Almost surely, 2^516009973 is an apocalyptic number.

It is an amenable number.

516009973 is a deficient number, since it is larger than the sum of its proper divisors (16645515).

516009973 is a wasteful number, since it uses less digits than its factorization.

516009973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16645514.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 516009973 is about 22715.8529005626. The cubic root of 516009973 is about 802.0830987706.

The spelling of 516009973 in words is "five hundred sixteen million, nine thousand, nine hundred seventy-three".