516039907 has 4 divisors (see below), whose sum is σ = 519205960. Its totient is φ = 512873856.

The previous prime is 516039877. The next prime is 516039971. The reversal of 516039907 is 709930615.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 516039907 - 2¹¹ = 516037859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 516039907.

It is not an unprimeable number, because it can be changed into a prime (516039977) 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, 1582782 + ... + 1583107.

It is an arithmetic number, because the mean of its divisors is an integer number (129801490).

Almost surely, 2^516039907 is an apocalyptic number.

516039907 is a deficient number, since it is larger than the sum of its proper divisors (3166053).

516039907 is a wasteful number, since it uses less digits than its factorization.

516039907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3166052.

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

The square root of 516039907 is about 22716.5117700760. The cubic root of 516039907 is about 802.0986082197.

The spelling of 516039907 in words is "five hundred sixteen million, thirty-nine thousand, nine hundred seven".