512807 has 4 divisors (see below), whose sum is σ = 530520. Its totient is φ = 495096.

The previous prime is 512803. The next prime is 512819. The reversal of 512807 is 708215.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 512807 - 2² = 512803 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 512807.

It is not an unprimeable number, because it can be changed into a prime (512803) 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, 8813 + ... + 8870.

It is an arithmetic number, because the mean of its divisors is an integer number (132630).

2⁵¹²⁸⁰⁷ is an apocalyptic number.

512807 is a deficient number, since it is larger than the sum of its proper divisors (17713).

512807 is a wasteful number, since it uses less digits than its factorization.

512807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17712.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 512807 is about 716.1054391638. The cubic root of 512807 is about 80.0420091865.

The spelling of 512807 in words is "five hundred twelve thousand, eight hundred seven".