522565349 has 4 divisors (see below), whose sum is σ = 523331136. Its totient is φ = 521799564.

The previous prime is 522565339. The next prime is 522565367. The reversal of 522565349 is 943565225.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 522565349 - 2²⁴ = 505788133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522565339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381869 + ... + 383234.

It is an arithmetic number, because the mean of its divisors is an integer number (130832784).

Almost surely, 2^522565349 is an apocalyptic number.

It is an amenable number.

522565349 is a deficient number, since it is larger than the sum of its proper divisors (765787).

522565349 is an equidigital number, since it uses as much as digits as its factorization.

522565349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765786.

The product of its digits is 324000, while the sum is 41.

The square root of 522565349 is about 22859.6882962126. The cubic root of 522565349 is about 805.4653631675.

The spelling of 522565349 in words is "five hundred twenty-two million, five hundred sixty-five thousand, three hundred forty-nine".