10520303 has 4 divisors (see below), whose sum is σ = 10581288. Its totient is φ = 10459320.

The previous prime is 10520291. The next prime is 10520309. The reversal of 10520303 is 30302501.

10520303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10520303 - 2⁸ = 10520047 is a prime.

It is a super-2 number, since 2×10520303² = 221353550423618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10520309) 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, 30233 + ... + 30578.

It is an arithmetic number, because the mean of its divisors is an integer number (2645322).

Almost surely, 2^10520303 is an apocalyptic number.

10520303 is a deficient number, since it is larger than the sum of its proper divisors (60985).

10520303 is an equidigital number, since it uses as much as digits as its factorization.

10520303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60984.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 10520303 is about 3243.5016571601. The cubic root of 10520303 is about 219.1170048163.

Adding to 10520303 its reverse (30302501), we get a palindrome (40822804).

The spelling of 10520303 in words is "ten million, five hundred twenty thousand, three hundred three".