442524037 has 2 divisors, whose sum is σ = 442524038. Its totient is φ = 442524036.

The previous prime is 442524031. The next prime is 442524067. The reversal of 442524037 is 730425244.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 369831361 + 72692676 = 19231^2 + 8526^2 .

It is a cyclic number.

It is not a de Polignac number, because 442524037 - 2¹⁹ = 441999749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442524031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221262018 + 221262019.

It is an arithmetic number, because the mean of its divisors is an integer number (221262019).

Almost surely, 2^442524037 is an apocalyptic number.

It is an amenable number.

442524037 is a deficient number, since it is larger than the sum of its proper divisors (1).

442524037 is an equidigital number, since it uses as much as digits as its factorization.

442524037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 442524037 is about 21036.2552988882. The cubic root of 442524037 is about 762.0420825564.

The spelling of 442524037 in words is "four hundred forty-two million, five hundred twenty-four thousand, thirty-seven".