10509685 has 8 divisors (see below), whose sum is σ = 12638880. Its totient is φ = 8389584.

The previous prime is 10509683. The next prime is 10509691. The reversal of 10509685 is 58690501.

10509685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10509685 - 2¹ = 10509683 is a prime.

It is a super-2 number, since 2×10509685² = 220906957598450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10509685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10509683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606 + ... + 4624.

It is an arithmetic number, because the mean of its divisors is an integer number (1579860).

Almost surely, 2^10509685 is an apocalyptic number.

It is an amenable number.

10509685 is a deficient number, since it is larger than the sum of its proper divisors (2129195).

10509685 is an equidigital number, since it uses as much as digits as its factorization.

10509685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4547.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 10509685 is about 3241.8644326992. The cubic root of 10509685 is about 219.0432627220.

The spelling of 10509685 in words is "ten million, five hundred nine thousand, six hundred eighty-five".