520344203 has 8 divisors (see below), whose sum is σ = 571545600. Its totient is φ = 471524328.

The previous prime is 520344193. The next prime is 520344217. The reversal of 520344203 is 302443025.

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

It is a cyclic number.

It is not a de Polignac number, because 520344203 - 2²⁸ = 251908747 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520344263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 594923 + ... + 595796.

It is an arithmetic number, because the mean of its divisors is an integer number (71443200).

Almost surely, 2^520344203 is an apocalyptic number.

520344203 is a deficient number, since it is larger than the sum of its proper divisors (51201397).

520344203 is a wasteful number, since it uses less digits than its factorization.

520344203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190761.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 520344203 is about 22811.0544035123. The cubic root of 520344203 is about 804.3225415412.

Adding to 520344203 its reverse (302443025), we get a palindrome (822787228).

The spelling of 520344203 in words is "five hundred twenty million, three hundred forty-four thousand, two hundred three".