4042037 has 2 divisors, whose sum is σ = 4042038. Its totient is φ = 4042036.

The previous prime is 4042033. The next prime is 4042057. The reversal of 4042037 is 7302404.

It is a happy number.

It is an a-pointer prime, because the next prime (4042057) can be obtained adding 4042037 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2979076 + 1062961 = 1726^2 + 1031^2 .

It is a cyclic number.

It is not a de Polignac number, because 4042037 - 2² = 4042033 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4042033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021018 + 2021019.

It is an arithmetic number, because the mean of its divisors is an integer number (2021019).

Almost surely, 2^4042037 is an apocalyptic number.

It is an amenable number.

4042037 is a deficient number, since it is larger than the sum of its proper divisors (1).

4042037 is an equidigital number, since it uses as much as digits as its factorization.

4042037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 4042037 is about 2010.4817830560. The cubic root of 4042037 is about 159.2942483140.

The spelling of 4042037 in words is "four million, forty-two thousand, thirty-seven".