513852331 has 4 divisors (see below), whose sum is σ = 523547712. Its totient is φ = 504156952.

The previous prime is 513852323. The next prime is 513852341. The reversal of 513852331 is 133258315.

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

It is a cyclic number.

It is not a de Polignac number, because 513852331 - 2³ = 513852323 is a prime.

It is a super-3 number, since 3×513852331³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 513852293 and 513852302.

It is not an unprimeable number, because it can be changed into a prime (513852301) 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, 4847611 + ... + 4847716.

It is an arithmetic number, because the mean of its divisors is an integer number (130886928).

Almost surely, 2^513852331 is an apocalyptic number.

513852331 is a deficient number, since it is larger than the sum of its proper divisors (9695381).

513852331 is an equidigital number, since it uses as much as digits as its factorization.

513852331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9695380.

The product of its digits is 10800, while the sum is 31.

The square root of 513852331 is about 22668.3111633840. The cubic root of 513852331 is about 800.9635946199.

The spelling of 513852331 in words is "five hundred thirteen million, eight hundred fifty-two thousand, three hundred thirty-one".