512765 has 8 divisors (see below), whose sum is σ = 671328. Its totient is φ = 372880.

The previous prime is 512761. The next prime is 512767. The reversal of 512765 is 567215.

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

It is not a de Polignac number, because 512765 - 2² = 512761 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 (512761) 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, 4607 + ... + 4716.

It is an arithmetic number, because the mean of its divisors is an integer number (83916).

2⁵¹²⁷⁶⁵ is an apocalyptic number.

512765 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

512765 is a deficient number, since it is larger than the sum of its proper divisors (158563).

512765 is a wasteful number, since it uses less digits than its factorization.

512765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9339.

The product of its digits is 2100, while the sum is 26.

The square root of 512765 is about 716.0761132729. The cubic root of 512765 is about 80.0398239224.

The spelling of 512765 in words is "five hundred twelve thousand, seven hundred sixty-five".