4045071 has 4 divisors (see below), whose sum is σ = 5393432. Its totient is φ = 2696712.

The previous prime is 4045051. The next prime is 4045091. The reversal of 4045071 is 1705404.

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

It is an interprime number because it is at equal distance from previous prime (4045051) and next prime (4045091).

It is not a de Polignac number, because 4045071 - 2⁹ = 4044559 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4045051) 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, 674176 + ... + 674181.

It is an arithmetic number, because the mean of its divisors is an integer number (1348358).

Almost surely, 2^4045071 is an apocalyptic number.

4045071 is a deficient number, since it is larger than the sum of its proper divisors (1348361).

4045071 is a wasteful number, since it uses less digits than its factorization.

4045071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348360.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 4045071 is about 2011.2361870253. The cubic root of 4045071 is about 159.3340943847.

The spelling of 4045071 in words is "four million, forty-five thousand, seventy-one".