522115 has 12 divisors (see below), whose sum is σ = 689472. Its totient is φ = 379280.

The previous prime is 522113. The next prime is 522127. The reversal of 522115 is 511225.

It is not a de Polignac number, because 522115 - 2¹ = 522113 is a prime.

It is a Duffinian number.

522115 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (522113) 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 11 ways as a sum of consecutive naturals, for example, 174 + ... + 1036.

It is an arithmetic number, because the mean of its divisors is an integer number (57456).

2⁵²²¹¹⁵ is an apocalyptic number.

522115 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

522115 is a deficient number, since it is larger than the sum of its proper divisors (167357).

522115 is a wasteful number, since it uses less digits than its factorization.

522115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890 (or 879 counting only the distinct ones).

The product of its digits is 100, while the sum is 16.

The square root of 522115 is about 722.5752555963. The cubic root of 522115 is about 80.5233912195.

The spelling of 522115 in words is "five hundred twenty-two thousand, one hundred fifteen".