513383 has 16 divisors (see below), whose sum is σ = 616896. Its totient is φ = 422400.

The previous prime is 513371. The next prime is 513397. The reversal of 513383 is 383315.

It is a cyclic number.

It is not a de Polignac number, because 513383 - 2⁴ = 513367 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5033 + ... + 5133.

It is an arithmetic number, because the mean of its divisors is an integer number (38556).

2⁵¹³³⁸³ is an apocalyptic number.

513383 is a deficient number, since it is larger than the sum of its proper divisors (103513).

513383 is a wasteful number, since it uses less digits than its factorization.

513383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154.

The product of its digits is 1080, while the sum is 23.

The square root of 513383 is about 716.5075017053. The cubic root of 513383 is about 80.0719664909.

Adding to 513383 its reverse (383315), we get a palindrome (896698).

The spelling of 513383 in words is "five hundred thirteen thousand, three hundred eighty-three".