4042501 has 2 divisors, whose sum is σ = 4042502. Its totient is φ = 4042500.

The previous prime is 4042471. The next prime is 4042523. The reversal of 4042501 is 1052404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4040100 + 2401 = 2010^2 + 49^2 .

It is a cyclic number.

It is not a de Polignac number, because 4042501 - 2¹⁷ = 3911429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4042561) 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, 2021250 + 2021251.

It is an arithmetic number, because the mean of its divisors is an integer number (2021251).

Almost surely, 2^4042501 is an apocalyptic number.

It is an amenable number.

4042501 is a deficient number, since it is larger than the sum of its proper divisors (1).

4042501 is an equidigital number, since it uses as much as digits as its factorization.

4042501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 4042501 is about 2010.5971749707. The cubic root of 4042501 is about 159.3003434011.

Adding to 4042501 its reverse (1052404), we get a palindrome (5094905).

The spelling of 4042501 in words is "four million, forty-two thousand, five hundred one".