517139050 has 24 divisors (see below), whose sum is σ = 965479500. Its totient is φ = 206081280.

The previous prime is 517139033. The next prime is 517139059. The reversal of 517139050 is 50931715.

It can be written as a sum of positive squares in 6 ways, for example, as 622521 + 516516529 = 789^2 + 22727^2 .

It is not an unprimeable number, because it can be changed into a prime (517139059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5775 + ... + 32674.

Almost surely, 2^517139050 is an apocalyptic number.

517139050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

517139050 is a deficient number, since it is larger than the sum of its proper divisors (448340450).

517139050 is a wasteful number, since it uses less digits than its factorization.

517139050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38730 (or 38725 counting only the distinct ones).

The product of its (nonzero) digits is 4725, while the sum is 31.

The square root of 517139050 is about 22740.6915022389. The cubic root of 517139050 is about 802.6676829882.

The spelling of 517139050 in words is "five hundred seventeen million, one hundred thirty-nine thousand, fifty".