513368 has 8 divisors (see below), whose sum is σ = 962580. Its totient is φ = 256680.

The previous prime is 513367. The next prime is 513371. The reversal of 513368 is 863315.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32078 + ... + 32093.

2⁵¹³³⁶⁸ is an apocalyptic number.

It is an amenable number.

513368 is a deficient number, since it is larger than the sum of its proper divisors (449212).

513368 is a wasteful number, since it uses less digits than its factorization.

513368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64177 (or 64173 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 513368 is about 716.4970341879. The cubic root of 513368 is about 80.0711866370.

The spelling of 513368 in words is "five hundred thirteen thousand, three hundred sixty-eight".