522347 has 8 divisors (see below), whose sum is σ = 605952. Its totient is φ = 441000.

The previous prime is 522337. The next prime is 522371. The reversal of 522347 is 743225.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 522347 - 2⁶ = 522283 is a prime.

It is a d-powerful number, because it can be written as 5⁸ + 2¹⁶ + 3⁵ + 2¹⁶ + 4³ + 7³ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (522317) 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 7 ways as a sum of consecutive naturals, for example, 29 + ... + 1022.

It is an arithmetic number, because the mean of its divisors is an integer number (75744).

2⁵²²³⁴⁷ is an apocalyptic number.

522347 is a deficient number, since it is larger than the sum of its proper divisors (83605).

522347 is a wasteful number, since it uses less digits than its factorization.

522347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129.

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

The square root of 522347 is about 722.7357746784. The cubic root of 522347 is about 80.5353162172.

The spelling of 522347 in words is "five hundred twenty-two thousand, three hundred forty-seven".