3185009 has 2 divisors, whose sum is σ = 3185010. Its totient is φ = 3185008.

The previous prime is 3184999. The next prime is 3185011. The reversal of 3185009 is 9005813.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1677025 + 1507984 = 1295^2 + 1228^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3185009 is a prime.

Together with 3185011, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3185029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1592504 + 1592505.

It is an arithmetic number, because the mean of its divisors is an integer number (1592505).

Almost surely, 2^3185009 is an apocalyptic number.

It is an amenable number.

3185009 is a deficient number, since it is larger than the sum of its proper divisors (1).

3185009 is an equidigital number, since it uses as much as digits as its factorization.

3185009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 3185009 is about 1784.6593512489. The cubic root of 3185009 is about 147.1307858529.

The spelling of 3185009 in words is "three million, one hundred eighty-five thousand, nine".