522787 has 2 divisors, whose sum is σ = 522788. Its totient is φ = 522786.

The previous prime is 522763. The next prime is 522811. The reversal of 522787 is 787225.

It is a balanced prime because it is at equal distance from previous prime (522763) and next prime (522811).

It is a cyclic number.

It is not a de Polignac number, because 522787 - 2⁷ = 522659 is a prime.

It is a Chen prime.

522787 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (522707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261393 + 261394.

It is an arithmetic number, because the mean of its divisors is an integer number (261394).

2⁵²²⁷⁸⁷ is an apocalyptic number.

522787 is a deficient number, since it is larger than the sum of its proper divisors (1).

522787 is an equidigital number, since it uses as much as digits as its factorization.

522787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7840, while the sum is 31.

The square root of 522787 is about 723.0401095375. The cubic root of 522787 is about 80.5579228969.

The spelling of 522787 in words is "five hundred twenty-two thousand, seven hundred eighty-seven".