42024517 has 2 divisors, whose sum is σ = 42024518. Its totient is φ = 42024516.

The previous prime is 42024511. The next prime is 42024539. The reversal of 42024517 is 71542024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30184036 + 11840481 = 5494^2 + 3441^2 .

It is a cyclic number.

It is not a de Polignac number, because 42024517 - 2¹⁹ = 41500229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42024491 and 42024500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42024511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21012258 + 21012259.

It is an arithmetic number, because the mean of its divisors is an integer number (21012259).

Almost surely, 2^42024517 is an apocalyptic number.

It is an amenable number.

42024517 is a deficient number, since it is larger than the sum of its proper divisors (1).

42024517 is an equidigital number, since it uses as much as digits as its factorization.

42024517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 42024517 is about 6482.6319500647. The cubic root of 42024517 is about 347.6702876380.

The spelling of 42024517 in words is "forty-two million, twenty-four thousand, five hundred seventeen".