516877145 has 4 divisors (see below), whose sum is σ = 620252580. Its totient is φ = 413501712.

The previous prime is 516877103. The next prime is 516877213. The reversal of 516877145 is 541778615.

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

It can be written as a sum of positive squares in 2 ways, for example, as 147161161 + 369715984 = 12131^2 + 19228^2 .

It is a cyclic number.

It is not a de Polignac number, because 516877145 - 2¹⁰ = 516876121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 516877096 and 516877105.

It is an unprimeable number.

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, 51687710 + ... + 51687719.

It is an arithmetic number, because the mean of its divisors is an integer number (155063145).

Almost surely, 2^516877145 is an apocalyptic number.

It is an amenable number.

516877145 is a deficient number, since it is larger than the sum of its proper divisors (103375435).

516877145 is a wasteful number, since it uses less digits than its factorization.

516877145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103375434.

The product of its digits is 235200, while the sum is 44.

The square root of 516877145 is about 22734.9322629297. The cubic root of 516877145 is about 802.5321564610.

The spelling of 516877145 in words is "five hundred sixteen million, eight hundred seventy-seven thousand, one hundred forty-five".