42243037 has 2 divisors, whose sum is σ = 42243038. Its totient is φ = 42243036.

The previous prime is 42243029. The next prime is 42243041. The reversal of 42243037 is 73034224.

42243037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36832761 + 5410276 = 6069^2 + 2326^2 .

It is a cyclic number.

It is not a de Polignac number, because 42243037 - 2³ = 42243029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42243007) 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, 21121518 + 21121519.

It is an arithmetic number, because the mean of its divisors is an integer number (21121519).

Almost surely, 2^42243037 is an apocalyptic number.

It is an amenable number.

42243037 is a deficient number, since it is larger than the sum of its proper divisors (1).

42243037 is an equidigital number, since it uses as much as digits as its factorization.

42243037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 42243037 is about 6499.4643625456. The cubic root of 42243037 is about 348.2718540084.

The spelling of 42243037 in words is "forty-two million, two hundred forty-three thousand, thirty-seven".