10517939 has 4 divisors (see below), whose sum is σ = 10528656. Its totient is φ = 10507224.

The previous prime is 10517909. The next prime is 10517957. The reversal of 10517939 is 93971501.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 93971501 = 13 ⋅7228577.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10517939 is a prime.

It is a super-2 number, since 2×10517939² = 221254081615442, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10517899 and 10517908.

It is not an unprimeable number, because it can be changed into a prime (10517909) 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 3 ways as a sum of consecutive naturals, for example, 3719 + ... + 5904.

It is an arithmetic number, because the mean of its divisors is an integer number (2632164).

Almost surely, 2^10517939 is an apocalyptic number.

10517939 is a deficient number, since it is larger than the sum of its proper divisors (10717).

10517939 is an equidigital number, since it uses as much as digits as its factorization.

10517939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10716.

The product of its (nonzero) digits is 8505, while the sum is 35.

The square root of 10517939 is about 3243.1372157218. The cubic root of 10517939 is about 219.1005911128.

The spelling of 10517939 in words is "ten million, five hundred seventeen thousand, nine hundred thirty-nine".