517213801 has 16 divisors (see below), whose sum is σ = 587184640. Its totient is φ = 451630080.

The previous prime is 517213793. The next prime is 517213817. The reversal of 517213801 is 108312715.

It is a cyclic number.

It is not a de Polignac number, because 517213801 - 2³ = 517213793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 517213801.

It is not an unprimeable number, because it can be changed into a prime (517213841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243721 + ... + 245833.

It is an arithmetic number, because the mean of its divisors is an integer number (36699040).

Almost surely, 2^517213801 is an apocalyptic number.

It is an amenable number.

517213801 is a deficient number, since it is larger than the sum of its proper divisors (69970839).

517213801 is a wasteful number, since it uses less digits than its factorization.

517213801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3136.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 517213801 is about 22742.3349944547. The cubic root of 517213801 is about 802.7063555794.

The spelling of 517213801 in words is "five hundred seventeen million, two hundred thirteen thousand, eight hundred one".