522547 has 4 divisors (see below), whose sum is σ = 525616. Its totient is φ = 519480.

The previous prime is 522541. The next prime is 522553. The reversal of 522547 is 745225.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (522541) and next prime (522553).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-522547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (522541) 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, 1263 + ... + 1624.

It is an arithmetic number, because the mean of its divisors is an integer number (131404).

2⁵²²⁵⁴⁷ is an apocalyptic number.

522547 is a deficient number, since it is larger than the sum of its proper divisors (3069).

522547 is a wasteful number, since it uses less digits than its factorization.

522547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3068.

The product of its digits is 2800, while the sum is 25.

The square root of 522547 is about 722.8741245888. The cubic root of 522547 is about 80.5455935538.

The spelling of 522547 in words is "five hundred twenty-two thousand, five hundred forty-seven".