4057081 has 4 divisors (see below), whose sum is σ = 4636672. Its totient is φ = 3477492.

The previous prime is 4057061. The next prime is 4057091. The reversal of 4057081 is 1807504.

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.

It is a cyclic number.

It is not a de Polignac number, because 4057081 - 2¹¹ = 4055033 is a prime.

It is a super-2 number, since 2×4057081² = 32919812481122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4057021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289785 + ... + 289798.

It is an arithmetic number, because the mean of its divisors is an integer number (1159168).

Almost surely, 2^4057081 is an apocalyptic number.

It is an amenable number.

4057081 is a deficient number, since it is larger than the sum of its proper divisors (579591).

4057081 is an equidigital number, since it uses as much as digits as its factorization.

4057081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579590.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 4057081 is about 2014.2197000327. The cubic root of 4057081 is about 159.4916286392.

It can be divided in two parts, 40 and 57081, that added together give a square (57121 = 239²).

The spelling of 4057081 in words is "four million, fifty-seven thousand, eighty-one".