4042057 has 2 divisors, whose sum is σ = 4042058. Its totient is φ = 4042056.

The previous prime is 4042037. The next prime is 4042063. The reversal of 4042057 is 7502404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3767481 + 274576 = 1941^2 + 524^2 .

It is a cyclic number.

It is not a de Polignac number, because 4042057 - 2⁷ = 4041929 is a prime.

It is not a weakly prime, because it can be changed into another prime (4042037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021028 + 2021029.

It is an arithmetic number, because the mean of its divisors is an integer number (2021029).

Almost surely, 2^4042057 is an apocalyptic number.

It is an amenable number.

4042057 is a deficient number, since it is larger than the sum of its proper divisors (1).

4042057 is an equidigital number, since it uses as much as digits as its factorization.

4042057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 4042057 is about 2010.4867569820. The cubic root of 4042057 is about 159.2945110429.

The spelling of 4042057 in words is "four million, forty-two thousand, fifty-seven".