513343453 has 6 divisors (see below), whose sum is σ = 597154686. Its totient is φ = 440008632.

The previous prime is 513343427. The next prime is 513343459. The reversal of 513343453 is 354343315.

It can be written as a sum of positive squares in only one way, i.e., 294362649 + 218980804 = 17157^2 + 14798^2 .

It is a de Polignac number, because none of the positive numbers 2^k-513343453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513343459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5238150 + ... + 5238247.

It is an arithmetic number, because the mean of its divisors is an integer number (99525781).

Almost surely, 2^513343453 is an apocalyptic number.

It is an amenable number.

513343453 is a deficient number, since it is larger than the sum of its proper divisors (83811233).

513343453 is a wasteful number, since it uses less digits than its factorization.

513343453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10476411 (or 10476404 counting only the distinct ones).

The product of its digits is 32400, while the sum is 31.

The square root of 513343453 is about 22657.0839474104. The cubic root of 513343453 is about 800.6991039932.

Adding to 513343453 its reverse (354343315), we get a palindrome (867686768).

The spelling of 513343453 in words is "five hundred thirteen million, three hundred forty-three thousand, four hundred fifty-three".