42507383 has 2 divisors, whose sum is σ = 42507384. Its totient is φ = 42507382.

The previous prime is 42507347. The next prime is 42507391. The reversal of 42507383 is 38370524.

It is a happy number.

42507383 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 is a cyclic number.

It is not a de Polignac number, because 42507383 - 2⁶ = 42507319 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42507083) 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, 21253691 + 21253692.

It is an arithmetic number, because the mean of its divisors is an integer number (21253692).

Almost surely, 2^42507383 is an apocalyptic number.

42507383 is a deficient number, since it is larger than the sum of its proper divisors (1).

42507383 is an equidigital number, since it uses as much as digits as its factorization.

42507383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 42507383 is about 6519.7686308641. The cubic root of 42507383 is about 348.9968089735.

The spelling of 42507383 in words is "forty-two million, five hundred seven thousand, three hundred eighty-three".