3045409 has 6 divisors (see below), whose sum is σ = 3147810. Its totient is φ = 2946240.

The previous prime is 3045379. The next prime is 3045421. The reversal of 3045409 is 9045403.

It can be written as a sum of positive squares in only one way, i.e., 2907025 + 138384 = 1705^2 + 372^2 .

It is not a de Polignac number, because 3045409 - 2⁷ = 3045281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3045109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 624 + ... + 2545.

It is an arithmetic number, because the mean of its divisors is an integer number (524635).

Almost surely, 2^3045409 is an apocalyptic number.

It is an amenable number.

3045409 is a deficient number, since it is larger than the sum of its proper divisors (102401).

3045409 is an equidigital number, since it uses as much as digits as its factorization.

3045409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3231 (or 3200 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 3045409 is about 1745.1100251847. The cubic root of 3045409 is about 144.9489951404.

The spelling of 3045409 in words is "three million, forty-five thousand, four hundred nine".