513628 has 12 divisors (see below), whose sum is σ = 911680. Its totient is φ = 253152.

The previous prime is 513593. The next prime is 513631. The reversal of 513628 is 826315.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

513628 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 588 + ... + 1171.

2⁵¹³⁶²⁸ is an apocalyptic number.

It is an amenable number.

513628 is a deficient number, since it is larger than the sum of its proper divisors (398052).

513628 is a wasteful number, since it uses less digits than its factorization.

513628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836 (or 1834 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 513628 is about 716.6784495155. The cubic root of 513628 is about 80.0847019548.

The spelling of 513628 in words is "five hundred thirteen thousand, six hundred twenty-eight".