3081005 has 8 divisors (see below), whose sum is σ = 3734424. Its totient is φ = 2440000.

The previous prime is 3080981. The next prime is 3081007. The reversal of 3081005 is 5001803.

3081005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1223236 + 1857769 = 1106^2 + 1363^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3081005 - 2⁶ = 3080941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3081007) 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 7 ways as a sum of consecutive naturals, for example, 2546 + ... + 3555.

It is an arithmetic number, because the mean of its divisors is an integer number (466803).

Almost surely, 2^3081005 is an apocalyptic number.

It is an amenable number.

3081005 is a deficient number, since it is larger than the sum of its proper divisors (653419).

3081005 is a wasteful number, since it uses less digits than its factorization.

3081005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6207.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 3081005 is about 1755.2791800736. The cubic root of 3081005 is about 145.5115502772.

Adding to 3081005 its reverse (5001803), we get a palindrome (8082808).

The spelling of 3081005 in words is "three million, eighty-one thousand, five".