42024839 has 2 divisors, whose sum is σ = 42024840. Its totient is φ = 42024838.

The previous prime is 42024817. The next prime is 42024847. The reversal of 42024839 is 93842024.

42024839 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 42024839 - 2¹² = 42020743 is a prime.

It is a super-3 number, since 3×42024839³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42024239) 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, 21012419 + 21012420.

It is an arithmetic number, because the mean of its divisors is an integer number (21012420).

Almost surely, 2^42024839 is an apocalyptic number.

42024839 is a deficient number, since it is larger than the sum of its proper divisors (1).

42024839 is an equidigital number, since it uses as much as digits as its factorization.

42024839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 42024839 is about 6482.6567856088. The cubic root of 42024839 is about 347.6711756082.

The spelling of 42024839 in words is "forty-two million, twenty-four thousand, eight hundred thirty-nine".