10909001 has 2 divisors, whose sum is σ = 10909002. Its totient is φ = 10909000.

The previous prime is 10908979. The next prime is 10909009. The reversal of 10909001 is 10090901.

10909001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10883401 + 25600 = 3299^2 + 160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10909001 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (10909009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5454500 + 5454501.

It is an arithmetic number, because the mean of its divisors is an integer number (5454501).

Almost surely, 2^10909001 is an apocalyptic number.

It is an amenable number.

10909001 is a deficient number, since it is larger than the sum of its proper divisors (1).

10909001 is an equidigital number, since it uses as much as digits as its factorization.

10909001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 20.

The square root of 10909001 is about 3302.8776846865. The cubic root of 10909001 is about 221.7830374954.

Adding to 10909001 its reverse (10090901), we get a palindrome (20999902).

It can be divided in two parts, 1090900 and 1, that added together give a palindrome (1090901).

The spelling of 10909001 in words is "ten million, nine hundred nine thousand, one".