10502009 has 16 divisors (see below), whose sum is σ = 12400128. Its totient is φ = 8708352.

The previous prime is 10501993. The next prime is 10502047. The reversal of 10502009 is 90020501.

It is a cyclic number.

It is not a de Polignac number, because 10502009 - 2⁴ = 10501993 is a prime.

It is a super-2 number, since 2×10502009² = 220584386072162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10502909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44957 + ... + 45189.

It is an arithmetic number, because the mean of its divisors is an integer number (775008).

Almost surely, 2^10502009 is an apocalyptic number.

It is an amenable number.

10502009 is a deficient number, since it is larger than the sum of its proper divisors (1898119).

10502009 is a wasteful number, since it uses less digits than its factorization.

10502009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 10502009 is about 3240.6803298073. The cubic root of 10502009 is about 218.9899219037.

The spelling of 10502009 in words is "ten million, five hundred two thousand, nine".