513388 has 6 divisors (see below), whose sum is σ = 898436. Its totient is φ = 256692.

The previous prime is 513371. The next prime is 513397. The reversal of 513388 is 883315.

It is an Ulam number.

It is a nialpdrome in base 9.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64170 + ... + 64177.

2⁵¹³³⁸⁸ is an apocalyptic number.

It is an amenable number.

513388 is a deficient number, since it is larger than the sum of its proper divisors (385048).

513388 is a wasteful number, since it uses less digits than its factorization.

513388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128351 (or 128349 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 513388 is about 716.5109908438. The cubic root of 513388 is about 80.0722264388.

The spelling of 513388 in words is "five hundred thirteen thousand, three hundred eighty-eight".