520203 has 8 divisors (see below), whose sum is σ = 705600. Its totient is φ = 340808.

The previous prime is 520193. The next prime is 520213. The reversal of 520203 is 302025.

It is an interprime number because it is at equal distance from previous prime (520193) and next prime (520213).

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 520203 - 2⁸ = 519947 is a prime.

It is a super-2 number, since 2×520203² = 541222322418, which contains 22 as substring.

520203 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (520213) 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, 1293 + ... + 1646.

It is an arithmetic number, because the mean of its divisors is an integer number (88200).

2⁵²⁰²⁰³ is an apocalyptic number.

520203 is a deficient number, since it is larger than the sum of its proper divisors (185397).

520203 is a wasteful number, since it uses less digits than its factorization.

520203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3001.

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 520203 is about 721.2509965331. The cubic root of 520203 is about 80.4249780069.

Adding to 520203 its reverse (302025), we get a palindrome (822228).

The spelling of 520203 in words is "five hundred twenty thousand, two hundred three".