522971 has 4 divisors (see below), whose sum is σ = 553752. Its totient is φ = 492192.

The previous prime is 522961. The next prime is 522989. The reversal of 522971 is 179225.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-522971 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 522971.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 522971.

It is not an unprimeable number, because it can be changed into a prime (522961) 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, 15365 + ... + 15398.

It is an arithmetic number, because the mean of its divisors is an integer number (138438).

2⁵²²⁹⁷¹ is an apocalyptic number.

522971 is a deficient number, since it is larger than the sum of its proper divisors (30781).

522971 is a wasteful number, since it uses less digits than its factorization.

522971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30780.

The product of its digits is 1260, while the sum is 26.

The square root of 522971 is about 723.1673388642. The cubic root of 522971 is about 80.5673728381.

The spelling of 522971 in words is "five hundred twenty-two thousand, nine hundred seventy-one".