3000280005 has 12 divisors (see below), whose sum is σ = 5200485420. Its totient is φ = 1600149312.

The previous prime is 3000279983. The next prime is 3000280009. The reversal of 3000280005 is 5000820003.

3000280005 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1350783009 + 1649496996 = 36753^2 + 40614^2 .

It is not a de Polignac number, because 3000280005 - 2¹¹ = 3000277957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3000280005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3000280009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33336400 + ... + 33336489.

It is an arithmetic number, because the mean of its divisors is an integer number (433373785).

Almost surely, 2^3000280005 is an apocalyptic number.

It is an amenable number.

3000280005 is a deficient number, since it is larger than the sum of its proper divisors (2200205415).

3000280005 is a wasteful number, since it uses less digits than its factorization.

3000280005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66672900 (or 66672897 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 3000280005 is about 54774.8117751216. The cubic root of 3000280005 is about 1442.2944396994.

The spelling of 3000280005 in words is "three billion, two hundred eighty thousand, five".