522541409 has 6 divisors (see below), whose sum is σ = 565829046. Its totient is φ = 482345760.

The previous prime is 522541367. The next prime is 522541423. The reversal of 522541409 is 904145225.

It can be written as a sum of positive squares in 3 ways, for example, as 52519009 + 470022400 = 7247^2 + 21680^2 .

It is not a de Polignac number, because 522541409 - 2¹⁶ = 522475873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (522541489) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1545812 + ... + 1546149.

It is an arithmetic number, because the mean of its divisors is an integer number (94304841).

Almost surely, 2^522541409 is an apocalyptic number.

It is an amenable number.

522541409 is a deficient number, since it is larger than the sum of its proper divisors (43287637).

522541409 is a wasteful number, since it uses less digits than its factorization.

522541409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3091987 (or 3091974 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 522541409 is about 22859.1646610282. The cubic root of 522541409 is about 805.4530628652.

The spelling of 522541409 in words is "five hundred twenty-two million, five hundred forty-one thousand, four hundred nine".