520065326 has 48 divisors (see below), whose sum is σ = 911524752. Its totient is φ = 220646400.

The previous prime is 520065317. The next prime is 520065373. The reversal of 520065326 is 623560025.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 997946 + ... + 998466.

It is an arithmetic number, because the mean of its divisors is an integer number (18990099).

Almost surely, 2^520065326 is an apocalyptic number.

520065326 is a deficient number, since it is larger than the sum of its proper divisors (391459426).

520065326 is a wasteful number, since it uses less digits than its factorization.

520065326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 520065326 is about 22804.9408243038. The cubic root of 520065326 is about 804.1788244015.

The spelling of 520065326 in words is "five hundred twenty million, sixty-five thousand, three hundred twenty-six".