520065337 has 4 divisors (see below), whose sum is σ = 567344016. Its totient is φ = 472786660.

The previous prime is 520065317. The next prime is 520065373. The reversal of 520065337 is 733560025.

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 520065337 - 2²³ = 511676729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 520065299 and 520065308.

It is not an unprimeable number, because it can be changed into a prime (520065317) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 23639323 + ... + 23639344.

It is an arithmetic number, because the mean of its divisors is an integer number (141836004).

Almost surely, 2^520065337 is an apocalyptic number.

It is an amenable number.

520065337 is a deficient number, since it is larger than the sum of its proper divisors (47278679).

520065337 is a wasteful number, since it uses less digits than its factorization.

520065337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47278678.

The product of its (nonzero) digits is 18900, while the sum is 31.

The square root of 520065337 is about 22804.9410654796. The cubic root of 520065337 is about 804.1788300713.

The spelling of 520065337 in words is "five hundred twenty million, sixty-five thousand, three hundred thirty-seven".