517455045 has 12 divisors (see below), whose sum is σ = 896922156. Its totient is φ = 275976000.

The previous prime is 517455031. The next prime is 517455047. The reversal of 517455045 is 540554715.

It can be written as a sum of positive squares in 2 ways, for example, as 192265956 + 325189089 = 13866^2 + 18033^2 .

It is not a de Polignac number, because 517455045 - 2⁶ = 517454981 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (517455047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5749456 + ... + 5749545.

It is an arithmetic number, because the mean of its divisors is an integer number (74743513).

Almost surely, 2^517455045 is an apocalyptic number.

It is an amenable number.

517455045 is a deficient number, since it is larger than the sum of its proper divisors (379467111).

517455045 is a wasteful number, since it uses less digits than its factorization.

517455045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11499012 (or 11499009 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 36.

The square root of 517455045 is about 22747.6382290558. The cubic root of 517455045 is about 802.8311382719.

The spelling of 517455045 in words is "five hundred seventeen million, four hundred fifty-five thousand, forty-five".