513042283273 has 4 divisors (see below), whose sum is σ = 552507074308. Its totient is φ = 473577492240.

The previous prime is 513042283231. The next prime is 513042283283. The reversal of 513042283273 is 372382240315.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 316605406329 + 196436876944 = 562677^2 + 443212^2 .

It is a cyclic number.

It is not a de Polignac number, because 513042283273 - 2¹⁷ = 513042152201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513042283283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19732395498 + ... + 19732395523.

It is an arithmetic number, because the mean of its divisors is an integer number (138126768577).

Almost surely, 2^513042283273 is an apocalyptic number.

It is an amenable number.

513042283273 is a deficient number, since it is larger than the sum of its proper divisors (39464791035).

513042283273 is a wasteful number, since it uses less digits than its factorization.

513042283273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39464791034.

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 513042283273 in words is "five hundred thirteen billion, forty-two million, two hundred eighty-three thousand, two hundred seventy-three".