520434203 has 16 divisors (see below), whose sum is σ = 554796000. Its totient is φ = 487334400.

The previous prime is 520434181. The next prime is 520434223. The reversal of 520434203 is 302434025.

It is a cyclic number.

It is not a de Polignac number, because 520434203 - 2⁶ = 520434139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520434223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184403 + ... + 187203.

It is an arithmetic number, because the mean of its divisors is an integer number (34674750).

Almost surely, 2^520434203 is an apocalyptic number.

520434203 is a deficient number, since it is larger than the sum of its proper divisors (34361797).

520434203 is a wasteful number, since it uses less digits than its factorization.

520434203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3022.

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

The square root of 520434203 is about 22813.0270459665. The cubic root of 520434203 is about 804.3689113962.

Adding to 520434203 its reverse (302434025), we get a palindrome (822868228).

The spelling of 520434203 in words is "five hundred twenty million, four hundred thirty-four thousand, two hundred three".