522087249 has 16 divisors (see below), whose sum is σ = 707726592. Its totient is φ = 342271248.

The previous prime is 522087239. The next prime is 522087277. The reversal of 522087249 is 942780225.

It is not a de Polignac number, because 522087249 - 2⁹ = 522086737 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (522087229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135382 + ... + 139184.

It is an arithmetic number, because the mean of its divisors is an integer number (44232912).

Almost surely, 2^522087249 is an apocalyptic number.

It is an amenable number.

522087249 is a deficient number, since it is larger than the sum of its proper divisors (185639343).

522087249 is a wasteful number, since it uses less digits than its factorization.

522087249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4556.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 522087249 is about 22849.2286303061. The cubic root of 522087249 is about 805.2196455794.

The spelling of 522087249 in words is "five hundred twenty-two million, eighty-seven thousand, two hundred forty-nine".