4043057 has 4 divisors (see below), whose sum is σ = 4084836. Its totient is φ = 4001280.

The previous prime is 4043047. The next prime is 4043071. The reversal of 4043057 is 7503404.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2676496 + 1366561 = 1636^2 + 1169^2 .

It is a cyclic number.

It is not a de Polignac number, because 4043057 - 2⁶ = 4042993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4043047) 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, 20744 + ... + 20937.

It is an arithmetic number, because the mean of its divisors is an integer number (1021209).

Almost surely, 2^4043057 is an apocalyptic number.

It is an amenable number.

4043057 is a deficient number, since it is larger than the sum of its proper divisors (41779).

4043057 is an equidigital number, since it uses as much as digits as its factorization.

4043057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41778.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 4043057 is about 2010.7354375949. The cubic root of 4043057 is about 159.3076463826.

The spelling of 4043057 in words is "four million, forty-three thousand, fifty-seven".