522380 has 12 divisors (see below), whose sum is σ = 1097040. Its totient is φ = 208944.

The previous prime is 522373. The next prime is 522383. The reversal of 522380 is 83225.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 26119 = 522380 / (5 + 2 + 2 + 3 + 8 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13040 + ... + 13079.

It is an arithmetic number, because the mean of its divisors is an integer number (91420).

2⁵²²³⁸⁰ is an apocalyptic number.

It is an amenable number.

522380 is an abundant number, since it is smaller than the sum of its proper divisors (574660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

522380 is a wasteful number, since it uses less digits than its factorization.

522380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26128 (or 26126 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 522380 is about 722.7586042380. The cubic root of 522380 is about 80.5370121584.

The spelling of 522380 in words is "five hundred twenty-two thousand, three hundred eighty".