522775 has 12 divisors (see below), whose sum is σ = 707544. Its totient is φ = 380000.

The previous prime is 522763. The next prime is 522787. The reversal of 522775 is 577225.

It is an interprime number because it is at equal distance from previous prime (522763) and next prime (522787).

It is a de Polignac number, because none of the positive numbers 2^k-522775 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

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, 676 + ... + 1225.

It is an arithmetic number, because the mean of its divisors is an integer number (58962).

2⁵²²⁷⁷⁵ is an apocalyptic number.

522775 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

522775 is a deficient number, since it is larger than the sum of its proper divisors (184769).

522775 is a wasteful number, since it uses less digits than its factorization.

522775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922 (or 1917 counting only the distinct ones).

The product of its digits is 4900, while the sum is 28.

The square root of 522775 is about 723.0318111951. The cubic root of 522775 is about 80.5573065194.

It can be divided in two parts, 522 and 775, that multiplied together give a triangular number (404550 = T₈₉₉).

The spelling of 522775 in words is "five hundred twenty-two thousand, seven hundred seventy-five".