42448037 has 2 divisors, whose sum is σ = 42448038. Its totient is φ = 42448036.

The previous prime is 42447983. The next prime is 42448039. The reversal of 42448037 is 73084424.

42448037 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., 41977441 + 470596 = 6479^2 + 686^2 .

It is a cyclic number.

It is not a de Polignac number, because 42448037 - 2⁶ = 42447973 is a prime.

Together with 42448039, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 42447994 and 42448012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42448039) 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, 21224018 + 21224019.

It is an arithmetic number, because the mean of its divisors is an integer number (21224019).

Almost surely, 2^42448037 is an apocalyptic number.

It is an amenable number.

42448037 is a deficient number, since it is larger than the sum of its proper divisors (1).

42448037 is an equidigital number, since it uses as much as digits as its factorization.

42448037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 42448037 is about 6515.2158060958. The cubic root of 42448037 is about 348.8343179005.

The spelling of 42448037 in words is "forty-two million, four hundred forty-eight thousand, thirty-seven".