10648009 has 4 divisors (see below), whose sum is σ = 10659460. Its totient is φ = 10636560.

The previous prime is 10647983. The next prime is 10648021. The reversal of 10648009 is 90084601.

10648009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90084601 = 263 ⋅342527.

It can be written as a sum of positive squares in 2 ways, for example, as 9030025 + 1617984 = 3005^2 + 1272^2 .

It is a cyclic number.

It is not a de Polignac number, because 10648009 - 2⁷ = 10647881 is a prime.

It is a super-2 number, since 2×10648009² = 226760191328162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10640009) 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, 4194 + ... + 6235.

It is an arithmetic number, because the mean of its divisors is an integer number (2664865).

Almost surely, 2^10648009 is an apocalyptic number.

It is an amenable number.

10648009 is a deficient number, since it is larger than the sum of its proper divisors (11451).

10648009 is a wasteful number, since it uses less digits than its factorization.

10648009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11450.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 10648009 is about 3263.1287133670. The cubic root of 10648009 is about 220.0000619835. Note that the first 4 decimals are identical.

The spelling of 10648009 in words is "ten million, six hundred forty-eight thousand, nine".