4075009 has 4 divisors (see below), whose sum is σ = 4086720. Its totient is φ = 4063300.

The previous prime is 4075003. The next prime is 4075021. The reversal of 4075009 is 9005704.

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 a cyclic number.

It is not a de Polignac number, because 4075009 - 2⁵ = 4074977 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4075003) 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, 5317 + ... + 6034.

It is an arithmetic number, because the mean of its divisors is an integer number (1021680).

Almost surely, 2^4075009 is an apocalyptic number.

It is an amenable number.

4075009 is a deficient number, since it is larger than the sum of its proper divisors (11711).

4075009 is a wasteful number, since it uses less digits than its factorization.

4075009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11710.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 4075009 is about 2018.6651530157. The cubic root of 4075009 is about 159.7262114537.

The spelling of 4075009 in words is "four million, seventy-five thousand, nine".