3042509 has 4 divisors (see below), whose sum is σ = 3174816. Its totient is φ = 2910204.

The previous prime is 3042493. The next prime is 3042553. The reversal of 3042509 is 9052403.

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 3042509 - 2⁴ = 3042493 is a prime.

It is a super-2 number, since 2×3042509² = 18513722030162, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 132283 = 3042509 / (3 + 0 + 4 + 2 + 5 + 0 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3042209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66119 + ... + 66164.

It is an arithmetic number, because the mean of its divisors is an integer number (793704).

Almost surely, 2^3042509 is an apocalyptic number.

It is an amenable number.

3042509 is a deficient number, since it is larger than the sum of its proper divisors (132307).

3042509 is a wasteful number, since it uses less digits than its factorization.

3042509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132306.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 3042509 is about 1744.2789341158. The cubic root of 3042509 is about 144.9029711544.

The spelling of 3042509 in words is "three million, forty-two thousand, five hundred nine".