42024247 has 2 divisors, whose sum is σ = 42024248. Its totient is φ = 42024246.

The previous prime is 42024239. The next prime is 42024253. The reversal of 42024247 is 74242024.

It is a happy number.

42024247 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 42024247 - 2³ = 42024239 is a prime.

It is equal to p_2549014 and since 42024247 and 2549014 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42024217) 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, 21012123 + 21012124.

It is an arithmetic number, because the mean of its divisors is an integer number (21012124).

Almost surely, 2^42024247 is an apocalyptic number.

42024247 is a deficient number, since it is larger than the sum of its proper divisors (1).

42024247 is an equidigital number, since it uses as much as digits as its factorization.

42024247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 25.

The square root of 42024247 is about 6482.6111251563. The cubic root of 42024247 is about 347.6695430633.

The spelling of 42024247 in words is "forty-two million, twenty-four thousand, two hundred forty-seven".