512801 has 4 divisors (see below), whose sum is σ = 515652. Its totient is φ = 509952.

The previous prime is 512797. The next prime is 512803. The reversal of 512801 is 108215.

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

It can be written as a sum of positive squares in 2 ways, for example, as 226576 + 286225 = 476^2 + 535^2 .

It is a cyclic number.

It is not a de Polignac number, because 512801 - 2² = 512797 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 512801.

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, 1136 + ... + 1521.

It is an arithmetic number, because the mean of its divisors is an integer number (128913).

2⁵¹²⁸⁰¹ is an apocalyptic number.

It is an amenable number.

512801 is a deficient number, since it is larger than the sum of its proper divisors (2851).

512801 is a wasteful number, since it uses less digits than its factorization.

512801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 512801 is about 716.1012498244. The cubic root of 512801 is about 80.0416970132.

The spelling of 512801 in words is "five hundred twelve thousand, eight hundred one".