42249593 has 2 divisors, whose sum is σ = 42249594. Its totient is φ = 42249592.

The previous prime is 42249589. The next prime is 42249617. The reversal of 42249593 is 39594224.

It is a happy number.

42249593 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31047184 + 11202409 = 5572^2 + 3347^2 .

It is a cyclic number.

It is not a de Polignac number, because 42249593 - 2² = 42249589 is a prime.

It is not a weakly prime, because it can be changed into another prime (42249503) 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, 21124796 + 21124797.

It is an arithmetic number, because the mean of its divisors is an integer number (21124797).

Almost surely, 2^42249593 is an apocalyptic number.

It is an amenable number.

42249593 is a deficient number, since it is larger than the sum of its proper divisors (1).

42249593 is an equidigital number, since it uses as much as digits as its factorization.

42249593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 38.

The square root of 42249593 is about 6499.9686922323. The cubic root of 42249593 is about 348.2898700124.

The spelling of 42249593 in words is "forty-two million, two hundred forty-nine thousand, five hundred ninety-three".