517817052 has 36 divisors (see below), whose sum is σ = 1317608656. Its totient is φ = 171460800.

The previous prime is 517817033. The next prime is 517817057. The reversal of 517817052 is 250718715.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 517816998 and 517817016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (517817057) 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, 42193 + ... + 53064.

Almost surely, 2^517817052 is an apocalyptic number.

It is an amenable number.

517817052 is an abundant number, since it is smaller than the sum of its proper divisors (799791604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

517817052 is a wasteful number, since it uses less digits than its factorization.

517817052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95418 (or 95413 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 36.

The square root of 517817052 is about 22755.5938617299. The cubic root of 517817052 is about 803.0183124988.

The spelling of 517817052 in words is "five hundred seventeen million, eight hundred seventeen thousand, fifty-two".