10520803 has 4 divisors (see below), whose sum is σ = 10552360. Its totient is φ = 10489248.

The previous prime is 10520791. The next prime is 10520837. The reversal of 10520803 is 30802501.

It is a happy number.

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 10520803 - 2⁹ = 10520291 is a prime.

It is a super-2 number, since 2×10520803² = 221374591529618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10520893) 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, 15273 + ... + 15946.

It is an arithmetic number, because the mean of its divisors is an integer number (2638090).

Almost surely, 2^10520803 is an apocalyptic number.

10520803 is a deficient number, since it is larger than the sum of its proper divisors (31557).

10520803 is an equidigital number, since it uses as much as digits as its factorization.

10520803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31556.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 10520803 is about 3243.5787334363. The cubic root of 10520803 is about 219.1204760968.

The spelling of 10520803 in words is "ten million, five hundred twenty thousand, eight hundred three".