522265613 has 4 divisors (see below), whose sum is σ = 525393120. Its totient is φ = 519138108.

The previous prime is 522265607. The next prime is 522265621. The reversal of 522265613 is 316562225.

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 522265613 - 2⁸ = 522265357 is a prime.

It is a super-2 number, since 2×522265613² = 545522741044531538, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 522265613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522265633) 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, 1563503 + ... + 1563836.

It is an arithmetic number, because the mean of its divisors is an integer number (131348280).

Almost surely, 2^522265613 is an apocalyptic number.

It is an amenable number.

522265613 is a deficient number, since it is larger than the sum of its proper divisors (3127507).

522265613 is a wasteful number, since it uses less digits than its factorization.

522265613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3127506.

The product of its digits is 21600, while the sum is 32.

The square root of 522265613 is about 22853.1313609317. The cubic root of 522265613 is about 805.3113325817.

The spelling of 522265613 in words is "five hundred twenty-two million, two hundred sixty-five thousand, six hundred thirteen".