522901 has 4 divisors (see below), whose sum is σ = 529600. Its totient is φ = 516204.

The previous prime is 522887. The next prime is 522919. The reversal of 522901 is 109225.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 522901 - 2¹¹ = 520853 is a prime.

It is a super-3 number, since 3×522901³ = 428923332791396103, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522961) 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 3 ways as a sum of consecutive naturals, for example, 3231 + ... + 3388.

It is an arithmetic number, because the mean of its divisors is an integer number (132400).

2⁵²²⁹⁰¹ is an apocalyptic number.

It is an amenable number.

522901 is a deficient number, since it is larger than the sum of its proper divisors (6699).

522901 is an equidigital number, since it uses as much as digits as its factorization.

522901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6698.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 522901 is about 723.1189390412. The cubic root of 522901 is about 80.5637780130.

The spelling of 522901 in words is "five hundred twenty-two thousand, nine hundred one".