522349 has 4 divisors (see below), whose sum is σ = 524860. Its totient is φ = 519840.

The previous prime is 522337. The next prime is 522371. The reversal of 522349 is 943225.

It is a happy number.

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 413449 + 108900 = 643^2 + 330^2 .

It is a cyclic number.

It is not a de Polignac number, because 522349 - 2⁵ = 522317 is a prime.

It is a deceptive number, since it divides R₅₂₂₃₄₈.

It is a Duffinian number.

522349 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522449) 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, 912 + ... + 1369.

It is an arithmetic number, because the mean of its divisors is an integer number (131215).

2⁵²²³⁴⁹ is an apocalyptic number.

It is an amenable number.

522349 is a deficient number, since it is larger than the sum of its proper divisors (2511).

522349 is a wasteful number, since it uses less digits than its factorization.

522349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510.

The product of its digits is 2160, while the sum is 25.

The square root of 522349 is about 722.7371583086. The cubic root of 522349 is about 80.5354190035.

It can be divided in two parts, 52 and 2349, that added together give a 4-th power (2401 = 7⁴).

The spelling of 522349 in words is "five hundred twenty-two thousand, three hundred forty-nine".