512947 has 8 divisors (see below), whose sum is σ = 535040. Its totient is φ = 491400.

The previous prime is 512929. The next prime is 512959. The reversal of 512947 is 749215.

It is a happy number.

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 512947 - 2⁷ = 512819 is a prime.

It is a super-2 number, since 2×512947² = 526229249618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3322 + ... + 3472.

It is an arithmetic number, because the mean of its divisors is an integer number (66880).

2⁵¹²⁹⁴⁷ is an apocalyptic number.

512947 is the 414-th hex number.

512947 is a deficient number, since it is larger than the sum of its proper divisors (22093).

512947 is a wasteful number, since it uses less digits than its factorization.

512947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273.

The product of its digits is 2520, while the sum is 28.

The square root of 512947 is about 716.2031834612. The cubic root of 512947 is about 80.0492925385.

The spelling of 512947 in words is "five hundred twelve thousand, nine hundred forty-seven".