522361 has 4 divisors (see below), whose sum is σ = 596992. Its totient is φ = 447732.

The previous prime is 522337. The next prime is 522371. The reversal of 522361 is 163225.

It is a happy number.

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 522361 - 2⁷ = 522233 is a prime.

It is a super-2 number, since 2×522361² = 545722028642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (522371) 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, 37305 + ... + 37318.

It is an arithmetic number, because the mean of its divisors is an integer number (149248).

2⁵²²³⁶¹ is an apocalyptic number.

It is an amenable number.

522361 is a deficient number, since it is larger than the sum of its proper divisors (74631).

522361 is an equidigital number, since it uses as much as digits as its factorization.

522361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74630.

The product of its digits is 360, while the sum is 19.

The square root of 522361 is about 722.7454600342. The cubic root of 522361 is about 80.5360357161.

Adding to 522361 its reverse (163225), we get a palindrome (685586).

It can be divided in two parts, 5 and 22361, that added together give a triangular number (22366 = T₂₁₁).

The spelling of 522361 in words is "five hundred twenty-two thousand, three hundred sixty-one".