42024001 has 2 divisors, whose sum is σ = 42024002. Its totient is φ = 42024000.

The previous prime is 42023999. The next prime is 42024007. The reversal of 42024001 is 10042024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28890625 + 13133376 = 5375^2 + 3624^2 .

It is a cyclic number.

It is not a de Polignac number, because 42024001 - 2¹ = 42023999 is a prime.

Together with 42023999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (42024007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21012000 + 21012001.

It is an arithmetic number, because the mean of its divisors is an integer number (21012001).

Almost surely, 2^42024001 is an apocalyptic number.

It is an amenable number.

42024001 is a deficient number, since it is larger than the sum of its proper divisors (1).

42024001 is an equidigital number, since it uses as much as digits as its factorization.

42024001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 42024001 is about 6482.5921512926. The cubic root of 42024001 is about 347.6688646702.

Adding to 42024001 its reverse (10042024), we get a palindrome (52066025).

The spelling of 42024001 in words is "forty-two million, twenty-four thousand, one".