4042249 has 2 divisors, whose sum is σ = 4042250. Its totient is φ = 4042248.

The previous prime is 4042217. The next prime is 4042253. The reversal of 4042249 is 9422404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2082249 + 1960000 = 1443^2 + 1400^2 .

It is a cyclic number.

It is not a de Polignac number, because 4042249 - 2⁵ = 4042217 is a prime.

It is not a weakly prime, because it can be changed into another prime (4042849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021124 + 2021125.

It is an arithmetic number, because the mean of its divisors is an integer number (2021125).

Almost surely, 2^4042249 is an apocalyptic number.

It is an amenable number.

4042249 is a deficient number, since it is larger than the sum of its proper divisors (1).

4042249 is an equidigital number, since it uses as much as digits as its factorization.

4042249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 4042249 is about 2010.5345060456. The cubic root of 4042249 is about 159.2970331961.

The spelling of 4042249 in words is "four million, forty-two thousand, two hundred forty-nine".