10491003 has 6 divisors (see below), whose sum is σ = 15153684. Its totient is φ = 6993996.

The previous prime is 10491001. The next prime is 10491037. The reversal of 10491003 is 30019401.

It is not a de Polignac number, because 10491003 - 2¹ = 10491001 is a prime.

It is a super-2 number, since 2×10491003² = 220122287892018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10491001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 582825 + ... + 582842.

It is an arithmetic number, because the mean of its divisors is an integer number (2525614).

Almost surely, 2^10491003 is an apocalyptic number.

10491003 is a deficient number, since it is larger than the sum of its proper divisors (4662681).

10491003 is a wasteful number, since it uses less digits than its factorization.

10491003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165673 (or 1165670 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 10491003 is about 3238.9817844502. The cubic root of 10491003 is about 218.9133954179.

The spelling of 10491003 in words is "ten million, four hundred ninety-one thousand, three".