513242343 has 6 divisors (see below), whose sum is σ = 741350064. Its totient is φ = 342161556.

The previous prime is 513242329. The next prime is 513242351. The reversal of 513242343 is 343242315.

It is not a de Polignac number, because 513242343 - 2¹⁴ = 513225959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513242143) 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 5 ways as a sum of consecutive naturals, for example, 28513455 + ... + 28513472.

It is an arithmetic number, because the mean of its divisors is an integer number (123558344).

Almost surely, 2^513242343 is an apocalyptic number.

513242343 is a deficient number, since it is larger than the sum of its proper divisors (228107721).

513242343 is a wasteful number, since it uses less digits than its factorization.

513242343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57026933 (or 57026930 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 513242343 is about 22654.8525265560. The cubic root of 513242343 is about 800.6465310022.

Adding to 513242343 its reverse (343242315), we get a palindrome (856484658).

The spelling of 513242343 in words is "five hundred thirteen million, two hundred forty-two thousand, three hundred forty-three".