3006506 has 4 divisors (see below), whose sum is σ = 4509762. Its totient is φ = 1503252.

The previous prime is 3006469. The next prime is 3006511. The reversal of 3006506 is 6056003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6056003 = 19 ⋅318737.

It can be written as a sum of positive squares in only one way, i.e., 2839225 + 167281 = 1685^2 + 409^2 .

It is an Ulam number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 751625 + ... + 751628.

Almost surely, 2^3006506 is an apocalyptic number.

3006506 is a deficient number, since it is larger than the sum of its proper divisors (1503256).

3006506 is a wasteful number, since it uses less digits than its factorization.

3006506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503255.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 3006506 is about 1733.9279108429. The cubic root of 3006506 is about 144.3291403730.

The spelling of 3006506 in words is "three million, six thousand, five hundred six".