3045871 has 4 divisors (see below), whose sum is σ = 3206200. Its totient is φ = 2885544.

The previous prime is 3045869. The next prime is 3045883. The reversal of 3045871 is 1785403.

3045871 = T₂₉₈ + T₂₉₉ + ... + T₃₅₄.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1785403 = 43 ⋅41521.

It is a cyclic number.

It is not a de Polignac number, because 3045871 - 2¹ = 3045869 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 (3045811) 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, 80136 + ... + 80173.

It is an arithmetic number, because the mean of its divisors is an integer number (801550).

Almost surely, 2^3045871 is an apocalyptic number.

3045871 is a deficient number, since it is larger than the sum of its proper divisors (160329).

3045871 is a wasteful number, since it uses less digits than its factorization.

3045871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160328.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 3045871 is about 1745.2423900421. The cubic root of 3045871 is about 144.9563245391.

It can be divided in two parts, 3045 and 871, that added together give a triangular number (3916 = T₈₈).

The spelling of 3045871 in words is "three million, forty-five thousand, eight hundred seventy-one".