522734 has 16 divisors (see below), whose sum is σ = 822528. Its totient is φ = 248952.

The previous prime is 522719. The next prime is 522737. The reversal of 522734 is 437225.

522734 = 360² + 361² + ... + 363².

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522737) 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, 6257 + ... + 6339.

It is an arithmetic number, because the mean of its divisors is an integer number (51408).

522734 is a Friedman number, since it can be written as 723^(4-2)+5, using all its digits and the basic arithmetic operations.

2⁵²²⁷³⁴ is an apocalyptic number.

522734 is a deficient number, since it is larger than the sum of its proper divisors (299794).

522734 is a wasteful number, since it uses less digits than its factorization.

522734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199.

The product of its digits is 1680, while the sum is 23.

The square root of 522734 is about 723.0034578064. The cubic root of 522734 is about 80.5552004917. Note that the first 3 decimals are identical.

Adding to 522734 its reverse (437225), we get a palindrome (959959).

The spelling of 522734 in words is "five hundred twenty-two thousand, seven hundred thirty-four".