512513 has 4 divisors (see below), whose sum is σ = 514608. Its totient is φ = 510420.

The previous prime is 512507. The next prime is 512521. The reversal of 512513 is 315215.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 512513 - 2⁴ = 512497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 512491 and 512500.

It is not an unprimeable number, because it can be changed into a prime (512503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623 + ... + 1188.

It is an arithmetic number, because the mean of its divisors is an integer number (128652).

2⁵¹²⁵¹³ is an apocalyptic number.

It is an amenable number.

512513 is a deficient number, since it is larger than the sum of its proper divisors (2095).

512513 is a wasteful number, since it uses less digits than its factorization.

512513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2094.

The product of its digits is 150, while the sum is 17.

The square root of 512513 is about 715.9001327001. The cubic root of 512513 is about 80.0267098313.

Adding to 512513 its reverse (315215), we get a palindrome (827728).

The spelling of 512513 in words is "five hundred twelve thousand, five hundred thirteen".