10305909 has 12 divisors (see below), whose sum is σ = 15533856. Its totient is φ = 6571752.

The previous prime is 10305907. The next prime is 10305913. The reversal of 10305909 is 90950301.

10305909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10305909 - 2¹ = 10305907 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10305907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24687 + ... + 25100.

It is an arithmetic number, because the mean of its divisors is an integer number (1294488).

Almost surely, 2^10305909 is an apocalyptic number.

It is an amenable number.

10305909 is a deficient number, since it is larger than the sum of its proper divisors (5227947).

10305909 is a wasteful number, since it uses less digits than its factorization.

10305909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49816 (or 49813 counting only the distinct ones).

The product of its (nonzero) digits is 1215, while the sum is 27.

The square root of 10305909 is about 3210.2817633348. The cubic root of 10305909 is about 217.6183105830.

The spelling of 10305909 in words is "ten million, three hundred five thousand, nine hundred nine".