517072450 has 12 divisors (see below), whose sum is σ = 961754850. Its totient is φ = 206828960.

The previous prime is 517072411. The next prime is 517072469. The reversal of 517072450 is 54270715.

It can be written as a sum of positive squares in 3 ways, for example, as 410508121 + 106564329 = 20261^2 + 10323^2 .

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5170675 + ... + 5170774.

Almost surely, 2^517072450 is an apocalyptic number.

517072450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

517072450 is a deficient number, since it is larger than the sum of its proper divisors (444682400).

517072450 is a wasteful number, since it uses less digits than its factorization.

517072450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10341461 (or 10341456 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 517072450 is about 22739.2271196714. The cubic root of 517072450 is about 802.6332241950.

The spelling of 517072450 in words is "five hundred seventeen million, seventy-two thousand, four hundred fifty".