522001 has 4 divisors (see below), whose sum is σ = 526900. Its totient is φ = 517104.

The previous prime is 521999. The next prime is 522017. The reversal of 522001 is 100225.

522001 is an esthetic number in base 12, because in such base its adjacent digits differ by 1.

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

It can be written as a sum of positive squares in 2 ways, for example, as 179776 + 342225 = 424^2 + 585^2 .

It is a cyclic number.

It is not a de Polignac number, because 522001 - 2¹ = 521999 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (522061) 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, 2286 + ... + 2503.

It is an arithmetic number, because the mean of its divisors is an integer number (131725).

2⁵²²⁰⁰¹ is an apocalyptic number.

It is an amenable number.

522001 is a deficient number, since it is larger than the sum of its proper divisors (4899).

522001 is a wasteful number, since it uses less digits than its factorization.

522001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4898.

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 522001 is about 722.4963667729. The cubic root of 522001 is about 80.5175302280.

Adding to 522001 its reverse (100225), we get a palindrome (622226).

The spelling of 522001 in words is "five hundred twenty-two thousand, one".