522430 has 16 divisors (see below), whose sum is σ = 952560. Its totient is φ = 206272.

The previous prime is 522413. The next prime is 522439. The reversal of 522430 is 34225.

It is a d-powerful number, because it can be written as 5⁸ + 2¹⁶ + 4 + 2¹⁶ + 3⁶ + 0 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522439) by changing a digit.

522430 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 597 + ... + 1183.

It is an arithmetic number, because the mean of its divisors is an integer number (59535).

2⁵²²⁴³⁰ is an apocalyptic number.

522430 is a deficient number, since it is larger than the sum of its proper divisors (430130).

522430 is a wasteful number, since it uses less digits than its factorization.

522430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 522430 is about 722.7931931057. The cubic root of 522430 is about 80.5395816303.

Adding to 522430 its reverse (34225), we get a palindrome (556655).

The spelling of 522430 in words is "five hundred twenty-two thousand, four hundred thirty".