10608509 has 4 divisors (see below), whose sum is σ = 10642716. Its totient is φ = 10574304.

The previous prime is 10608503. The next prime is 10608547. The reversal of 10608509 is 90580601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3062500 + 7546009 = 1750^2 + 2747^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10608509 is a prime.

It is a super-2 number, since 2×10608509² = 225080926406162, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10608503) 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, 16634 + ... + 17259.

It is an arithmetic number, because the mean of its divisors is an integer number (2660679).

Almost surely, 2^10608509 is an apocalyptic number.

It is an amenable number.

10608509 is a deficient number, since it is larger than the sum of its proper divisors (34207).

10608509 is an equidigital number, since it uses as much as digits as its factorization.

10608509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34206.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 10608509 is about 3257.0706163668. The cubic root of 10608509 is about 219.7276864885.

The spelling of 10608509 in words is "ten million, six hundred eight thousand, five hundred nine".