516039905 has 16 divisors (see below), whose sum is σ = 653632320. Its totient is φ = 390028608.

The previous prime is 516039877. The next prime is 516039971. The reversal of 516039905 is 509930615.

It is a cyclic number.

It is not a de Polignac number, because 516039905 - 2⁶ = 516039841 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28154 + ... + 42716.

It is an arithmetic number, because the mean of its divisors is an integer number (40852020).

Almost surely, 2^516039905 is an apocalyptic number.

It is an amenable number.

516039905 is a deficient number, since it is larger than the sum of its proper divisors (137592415).

516039905 is a wasteful number, since it uses less digits than its factorization.

516039905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14960.

The product of its (nonzero) digits is 36450, while the sum is 38.

The square root of 516039905 is about 22716.5117260551. The cubic root of 516039905 is about 802.0986071835.

The spelling of 516039905 in words is "five hundred sixteen million, thirty-nine thousand, nine hundred five".