3074509 has 2 divisors, whose sum is σ = 3074510. Its totient is φ = 3074508.

The previous prime is 3074507. The next prime is 3074521. The reversal of 3074509 is 9054703.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3052009 + 22500 = 1747^2 + 150^2 .

It is a cyclic number.

It is not a de Polignac number, because 3074509 - 2¹ = 3074507 is a prime.

Together with 3074507, it forms a pair of twin primes.

It is an alternating number because its digits alternate between odd and even.

3074509 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3074507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1537254 + 1537255.

It is an arithmetic number, because the mean of its divisors is an integer number (1537255).

Almost surely, 2^3074509 is an apocalyptic number.

It is an amenable number.

3074509 is a deficient number, since it is larger than the sum of its proper divisors (1).

3074509 is an equidigital number, since it uses as much as digits as its factorization.

3074509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 3074509 is about 1753.4277857956. The cubic root of 3074509 is about 145.4092126603.

The spelling of 3074509 in words is "three million, seventy-four thousand, five hundred nine".