520852003 has 4 divisors (see below), whose sum is σ = 595259440. Its totient is φ = 446444568.

The previous prime is 520851971. The next prime is 520852061. The reversal of 520852003 is 300258025.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 520852003 - 2⁵ = 520851971 is a prime.

It is a super-2 number, since 2×520852003² = 542573618058224018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520852063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37203708 + ... + 37203721.

It is an arithmetic number, because the mean of its divisors is an integer number (148814860).

Almost surely, 2^520852003 is an apocalyptic number.

520852003 is a deficient number, since it is larger than the sum of its proper divisors (74407437).

520852003 is an equidigital number, since it uses as much as digits as its factorization.

520852003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74407436.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 520852003 is about 22822.1822576194. The cubic root of 520852003 is about 804.5841005845.

The spelling of 520852003 in words is "five hundred twenty million, eight hundred fifty-two thousand, three".