4057191 has 6 divisors (see below), whose sum is σ = 5860400. Its totient is φ = 2704788.

The previous prime is 4057159. The next prime is 4057199. The reversal of 4057191 is 1917504.

4057191 is a `hidden beast` number, since 4 + 0 + 571 + 91 = 666.

It is not a de Polignac number, because 4057191 - 2⁵ = 4057159 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 (4057199) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 225391 + ... + 225408.

Almost surely, 2^4057191 is an apocalyptic number.

4057191 is a deficient number, since it is larger than the sum of its proper divisors (1803209).

4057191 is a wasteful number, since it uses less digits than its factorization.

4057191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450805 (or 450802 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 4057191 is about 2014.2470057071. The cubic root of 4057191 is about 159.4930700631.

The spelling of 4057191 in words is "four million, fifty-seven thousand, one hundred ninety-one".