520065203 has 8 divisors (see below), whose sum is σ = 605575008. Its totient is φ = 437359104.

The previous prime is 520065193. The next prime is 520065239. The reversal of 520065203 is 302560025.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-520065203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520065253) 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 7 ways as a sum of consecutive naturals, for example, 700526 + ... + 701267.

It is an arithmetic number, because the mean of its divisors is an integer number (75696876).

Almost surely, 2^520065203 is an apocalyptic number.

520065203 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

520065203 is a deficient number, since it is larger than the sum of its proper divisors (85509805).

520065203 is a wasteful number, since it uses less digits than its factorization.

520065203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401853.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 520065203 is about 22804.9381275197. The cubic root of 520065203 is about 804.1787610030.

The spelling of 520065203 in words is "five hundred twenty million, sixty-five thousand, two hundred three".