513026 has 16 divisors (see below), whose sum is σ = 829440. Its totient is φ = 237120.

The previous prime is 513017. The next prime is 513031. The reversal of 513026 is 620315.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 512995 and 513013.

It is a congruent number.

It is an unprimeable number.

513026 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 7 ways as a sum of consecutive naturals, for example, 2591 + ... + 2781.

It is an arithmetic number, because the mean of its divisors is an integer number (51840).

2⁵¹³⁰²⁶ is an apocalyptic number.

513026 is a deficient number, since it is larger than the sum of its proper divisors (316414).

513026 is a wasteful number, since it uses less digits than its factorization.

513026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 513026 is about 716.2583332849. The cubic root of 513026 is about 80.0534018451.

It can be divided in two parts, 5 and 13026, that added together give a palindrome (13031).

The spelling of 513026 in words is "five hundred thirteen thousand, twenty-six".