10301809 has 6 divisors (see below), whose sum is σ = 11983794. Its totient is φ = 8830080.

The previous prime is 10301807. The next prime is 10301821. The reversal of 10301809 is 90810301.

10301809 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9486400 + 815409 = 3080^2 + 903^2 .

It is not a de Polignac number, because 10301809 - 2¹ = 10301807 is a prime.

It is a super-2 number, since 2×10301809² = 212254537344962, which contains 22 as substring.

It is a Duffinian number.

10301809 is strictly pandigital in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 10301809.

It is not an unprimeable number, because it can be changed into a prime (10301803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 105072 + ... + 105169.

It is an arithmetic number, because the mean of its divisors is an integer number (1997299).

Almost surely, 2^10301809 is an apocalyptic number.

It is an amenable number.

10301809 is a deficient number, since it is larger than the sum of its proper divisors (1681985).

10301809 is an equidigital number, since it uses as much as digits as its factorization.

10301809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210255 (or 210248 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 10301809 is about 3209.6431265797. The cubic root of 10301809 is about 217.5894483895.

The spelling of 10301809 in words is "ten million, three hundred one thousand, eight hundred nine".