512791 has 8 divisors (see below), whose sum is σ = 546480. Its totient is φ = 479808.

The previous prime is 512779. The next prime is 512797. The reversal of 512791 is 197215.

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

It is a cyclic number.

It is not a de Polignac number, because 512791 - 2⁷ = 512663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512797) 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, 2505 + ... + 2701.

It is an arithmetic number, because the mean of its divisors is an integer number (68310).

2⁵¹²⁷⁹¹ is an apocalyptic number.

512791 is a deficient number, since it is larger than the sum of its proper divisors (33689).

512791 is a wasteful number, since it uses less digits than its factorization.

512791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353.

The product of its digits is 630, while the sum is 25.

The square root of 512791 is about 716.0942675375. The cubic root of 512791 is about 80.0411767190.

The spelling of 512791 in words is "five hundred twelve thousand, seven hundred ninety-one".