3045881 has 4 divisors (see below), whose sum is σ = 3069264. Its totient is φ = 3022500.

The previous prime is 3045869. The next prime is 3045883. The reversal of 3045881 is 1885403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1885403 = 13 ⋅145031.

It is a cyclic number.

It is not a de Polignac number, because 3045881 - 2¹⁰ = 3044857 is a prime.

It is a super-2 number, since 2×3045881² = 18554782132322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3045883) 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, 11495 + ... + 11756.

It is an arithmetic number, because the mean of its divisors is an integer number (767316).

Almost surely, 2^3045881 is an apocalyptic number.

It is an amenable number.

3045881 is a deficient number, since it is larger than the sum of its proper divisors (23383).

3045881 is a wasteful number, since it uses less digits than its factorization.

3045881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23382.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 3045881 is about 1745.2452549713. The cubic root of 3045881 is about 144.9564831759.

The spelling of 3045881 in words is "three million, forty-five thousand, eight hundred eighty-one".