3611009 has 4 divisors (see below), whose sum is σ = 3616704. Its totient is φ = 3605316.

The previous prime is 3610979. The next prime is 3611059. The reversal of 3611009 is 9001163.

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 3611009 - 2²⁰ = 2562433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3611059) 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, 1757 + ... + 3210.

It is an arithmetic number, because the mean of its divisors is an integer number (904176).

Almost surely, 2^3611009 is an apocalyptic number.

It is an amenable number.

3611009 is a deficient number, since it is larger than the sum of its proper divisors (5695).

3611009 is an equidigital number, since it uses as much as digits as its factorization.

3611009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5694.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 3611009 is about 1900.2655077646. The cubic root of 3611009 is about 153.4179552854.

The spelling of 3611009 in words is "three million, six hundred eleven thousand, nine".