516575428 has 6 divisors (see below), whose sum is σ = 904007006. Its totient is φ = 258287712.

The previous prime is 516575407. The next prime is 516575429. The reversal of 516575428 is 824575615.

It can be written as a sum of positive squares in only one way, i.e., 339738624 + 176836804 = 18432^2 + 13298^2 .

It is not an unprimeable number, because it can be changed into a prime (516575429) by changing a digit.

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 as a sum of consecutive naturals, namely, 64571925 + ... + 64571932.

Almost surely, 2^516575428 is an apocalyptic number.

It is an amenable number.

516575428 is a deficient number, since it is larger than the sum of its proper divisors (387431578).

516575428 is a wasteful number, since it uses less digits than its factorization.

516575428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129143861 (or 129143859 counting only the distinct ones).

The product of its digits is 336000, while the sum is 43.

The square root of 516575428 is about 22728.2957566114. The cubic root of 516575428 is about 802.3759718778.

The spelling of 516575428 in words is "five hundred sixteen million, five hundred seventy-five thousand, four hundred twenty-eight".