510791 has 4 divisors (see below), whose sum is σ = 512592. Its totient is φ = 508992.

The previous prime is 510773. The next prime is 510793. The reversal of 510791 is 197015.

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 510791 - 2¹⁰ = 509767 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (510793) 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, 371 + ... + 1076.

It is an arithmetic number, because the mean of its divisors is an integer number (128148).

2⁵¹⁰⁷⁹¹ is an apocalyptic number.

510791 is a deficient number, since it is larger than the sum of its proper divisors (1801).

510791 is a wasteful number, since it uses less digits than its factorization.

510791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800.

The product of its (nonzero) digits is 315, while the sum is 23.

The square root of 510791 is about 714.6964390565. The cubic root of 510791 is about 79.9369816216.

The spelling of 510791 in words is "five hundred ten thousand, seven hundred ninety-one".