3042539 has 4 divisors (see below), whose sum is σ = 3066624. Its totient is φ = 3018456.

The previous prime is 3042493. The next prime is 3042553. The reversal of 3042539 is 9352403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9352403 = 199 ⋅46997.

It is a cyclic number.

It is not a de Polignac number, because 3042539 - 2⁸ = 3042283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3042839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11852 + ... + 12105.

It is an arithmetic number, because the mean of its divisors is an integer number (766656).

Almost surely, 2^3042539 is an apocalyptic number.

3042539 is a deficient number, since it is larger than the sum of its proper divisors (24085).

3042539 is a wasteful number, since it uses less digits than its factorization.

3042539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24084.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 3042539 is about 1744.2875336366. The cubic root of 3042539 is about 144.9034474143.

The spelling of 3042539 in words is "three million, forty-two thousand, five hundred thirty-nine".