520212003 has 8 divisors (see below), whose sum is σ = 694272768. Its totient is φ = 346479624.

The previous prime is 520211987. The next prime is 520212037. The reversal of 520212003 is 300212025.

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

It is not a de Polignac number, because 520212003 - 2⁴ = 520211987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (520212083) 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, 78375 + ... + 84752.

It is an arithmetic number, because the mean of its divisors is an integer number (86784096).

Almost surely, 2^520212003 is an apocalyptic number.

520212003 is a deficient number, since it is larger than the sum of its proper divisors (174060765).

520212003 is a wasteful number, since it uses less digits than its factorization.

520212003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164193.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 520212003 is about 22808.1565015676. The cubic root of 520212003 is about 804.2544196804.

Adding to 520212003 its reverse (300212025), we get a palindrome (820424028).

It can be divided in two parts, 5202 and 12003, that added together give a triangular number (17205 = T₁₈₅).

The spelling of 520212003 in words is "five hundred twenty million, two hundred twelve thousand, three".