522385449 has 32 divisors (see below), whose sum is σ = 748500480. Its totient is φ = 323108352.

The previous prime is 522385441. The next prime is 522385471. The reversal of 522385449 is 944583225.

It is not a de Polignac number, because 522385449 - 2³ = 522385441 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 522385449.

It is not an unprimeable number, because it can be changed into a prime (522385441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 591162 + ... + 592044.

It is an arithmetic number, because the mean of its divisors is an integer number (23390640).

Almost surely, 2^522385449 is an apocalyptic number.

It is an amenable number.

522385449 is a deficient number, since it is larger than the sum of its proper divisors (226115031).

522385449 is a wasteful number, since it uses less digits than its factorization.

522385449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109.

The product of its digits is 345600, while the sum is 42.

The square root of 522385449 is about 22855.7530831955. The cubic root of 522385449 is about 805.3729218741.

The spelling of 522385449 in words is "five hundred twenty-two million, three hundred eighty-five thousand, four hundred forty-nine".