10009001 has 4 divisors (see below), whose sum is σ = 10331904. Its totient is φ = 9686100.

The previous prime is 10008983. The next prime is 10009003. The reversal of 10009001 is 10090001.

10009001 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10090001 = 101 ⋅99901.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10009001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10009003) 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, 161405 + ... + 161466.

It is an arithmetic number, because the mean of its divisors is an integer number (2582976).

Almost surely, 2^10009001 is an apocalyptic number.

It is an amenable number.

10009001 is a deficient number, since it is larger than the sum of its proper divisors (322903).

10009001 is an equidigital number, since it uses as much as digits as its factorization.

10009001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322902.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 10009001 is about 3163.7005231216. The cubic root of 10009001 is about 215.5080898408.

Adding to 10009001 its reverse (10090001), we get a palindrome (20099002).

It can be divided in two parts, 1000 and 9001, that added together give a palindrome (10001).

The spelling of 10009001 in words is "ten million, nine thousand, one".