516977545 has 16 divisors (see below), whose sum is σ = 731870208. Its totient is φ = 343062720.

The previous prime is 516977543. The next prime is 516977551. The reversal of 516977545 is 545779615.

It is not a de Polignac number, because 516977545 - 2¹ = 516977543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516977543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237154 + ... + 239323.

It is an arithmetic number, because the mean of its divisors is an integer number (45741888).

Almost surely, 2^516977545 is an apocalyptic number.

It is an amenable number.

516977545 is a deficient number, since it is larger than the sum of its proper divisors (214892663).

516977545 is a wasteful number, since it uses less digits than its factorization.

516977545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476520.

The product of its digits is 1323000, while the sum is 49.

The square root of 516977545 is about 22737.1402115569. The cubic root of 516977545 is about 802.5841153019.

The spelling of 516977545 in words is "five hundred sixteen million, nine hundred seventy-seven thousand, five hundred forty-five".