2901009 has 4 divisors (see below), whose sum is σ = 3868016. Its totient is φ = 1934004.

The previous prime is 2901001. The next prime is 2901029. The reversal of 2901009 is 9001092.

It is a happy number.

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.

It is not a de Polignac number, because 2901009 - 2³ = 2901001 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2901001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 483499 + ... + 483504.

It is an arithmetic number, because the mean of its divisors is an integer number (967004).

2^2901009 is an apocalyptic number.

It is an amenable number.

2901009 is a deficient number, since it is larger than the sum of its proper divisors (967007).

2901009 is an equidigital number, since it uses as much as digits as its factorization.

2901009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967006.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 2901009 is about 1703.2348634290. The cubic root of 2901009 is about 142.6208516187.

The spelling of 2901009 in words is "two million, nine hundred one thousand, nine".