3149009 has 2 divisors, whose sum is σ = 3149010. Its totient is φ = 3149008.

The previous prime is 3148993. The next prime is 3149051. The reversal of 3149009 is 9009413.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3139984 + 9025 = 1772^2 + 95^2 .

It is a cyclic number.

It is not a de Polignac number, because 3149009 - 2⁴ = 3148993 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3149059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1574504 + 1574505.

It is an arithmetic number, because the mean of its divisors is an integer number (1574505).

Almost surely, 2^3149009 is an apocalyptic number.

It is an amenable number.

3149009 is a deficient number, since it is larger than the sum of its proper divisors (1).

3149009 is an equidigital number, since it uses as much as digits as its factorization.

3149009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 3149009 is about 1774.5447303463. The cubic root of 3149009 is about 146.5743467449.

The spelling of 3149009 in words is "three million, one hundred forty-nine thousand, nine".