501513 has 8 divisors (see below), whose sum is σ = 672000. Its totient is φ = 332688.

The previous prime is 501511. The next prime is 501563. The reversal of 501513 is 315105.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 501513 - 2¹ = 501511 is a prime.

501513 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 501492 and 501501.

It is not an unprimeable number, because it can be changed into a prime (501511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 808 + ... + 1286.

It is an arithmetic number, because the mean of its divisors is an integer number (84000).

2⁵⁰¹⁵¹³ is an apocalyptic number.

It is an amenable number.

501513 is a deficient number, since it is larger than the sum of its proper divisors (170487).

501513 is a wasteful number, since it uses less digits than its factorization.

501513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831.

The product of its (nonzero) digits is 75, while the sum is 15.

The square root of 501513 is about 708.1758256252. The cubic root of 501513 is about 79.4500299085.

Adding to 501513 its reverse (315105), we get a palindrome (816618).

The spelling of 501513 in words is "five hundred one thousand, five hundred thirteen".