520073203 has 8 divisors (see below), whose sum is σ = 561360800. Its totient is φ = 478968768.

The previous prime is 520073159. The next prime is 520073219. The reversal of 520073203 is 302370025.

It is a happy number.

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 520073203 - 2⁹ = 520072691 is a prime.

It is a super-2 number, since 2×520073203² = 540952272957358418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (520073303) 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, 39858 + ... + 51271.

It is an arithmetic number, because the mean of its divisors is an integer number (70170100).

Almost surely, 2^520073203 is an apocalyptic number.

520073203 is a deficient number, since it is larger than the sum of its proper divisors (41287597).

520073203 is a wasteful number, since it uses less digits than its factorization.

520073203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91581.

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 520073203 is about 22805.1135274526. The cubic root of 520073203 is about 804.1828844585.

The spelling of 520073203 in words is "five hundred twenty million, seventy-three thousand, two hundred three".