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3000001 = 8533517

3000001 has 4 divisors (see below), whose sum is σ = 3004372. Its totient is φ = 2995632.

The previous prime is 2999999. The next prime is 3000017. The reversal of 3000001 is 1000003.

It is a happy number.

3000001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1560001 + 1440000 = 1249^2 + 1200^2 .

It is a cyclic number.

It is not a de Polignac number, because 3000001 - 21 = 2999999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3000061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 906 + ... + 2611.

It is an arithmetic number, because the mean of its divisors is an integer number (751093).

Almost surely, 23000001 is an apocalyptic number.

It is an amenable number.

3000001 is a deficient number, since it is larger than the sum of its proper divisors (4371).

3000001 is an equidigital number, since it uses as much as digits as its factorization.

3000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4370.

The product of its (nonzero) digits is 3, while the sum is 4.

The square root of 3000001 is about 1732.0510962440. The cubic root of 3000001 is about 144.2249730557.

Adding to 3000001 its reverse (1000003), we get a palindrome (4000004).

The spelling of 3000001 in words is "three million, one", and thus it is an aban number and an uban number.

Divisors: 1 853 3517 3000001