522065261205563 has 4 divisors (see below), whose sum is σ = 522542905544448. Its totient is φ = 521587616866680.

The previous prime is 522065261205529. The next prime is 522065261205581. The reversal of 522065261205563 is 365502162560225.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 522065261205563 - 2¹⁸ = 522065260943419 is a prime.

It is a super-2 number, since 2×522065261205563² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (522065261255563) 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, 238822167803 + ... + 238822169988.

It is an arithmetic number, because the mean of its divisors is an integer number (130635726386112).

Almost surely, 2^{522065261205563} is an apocalyptic number.

522065261205563 is a deficient number, since it is larger than the sum of its proper divisors (477644338885).

522065261205563 is a wasteful number, since it uses less digits than its factorization.

522065261205563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477644338884.

The product of its (nonzero) digits is 6480000, while the sum is 50.

The spelling of 522065261205563 in words is "five hundred twenty-two trillion, sixty-five billion, two hundred sixty-one million, two hundred five thousand, five hundred sixty-three".