42251063 has 4 divisors (see below), whose sum is σ = 42313608. Its totient is φ = 42188520.

The previous prime is 42251009. The next prime is 42251089. The reversal of 42251063 is 36015224.

42251063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42251063 - 2⁸ = 42250807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42251093) 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 in 3 ways as a sum of consecutive naturals, for example, 30248 + ... + 31613.

It is an arithmetic number, because the mean of its divisors is an integer number (10578402).

Almost surely, 2^42251063 is an apocalyptic number.

42251063 is a deficient number, since it is larger than the sum of its proper divisors (62545).

42251063 is an equidigital number, since it uses as much as digits as its factorization.

42251063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62544.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 42251063 is about 6500.0817687165. The cubic root of 42251063 is about 348.2939093426.

Adding to 42251063 its reverse (36015224), we get a palindrome (78266287).

The spelling of 42251063 in words is "forty-two million, two hundred fifty-one thousand, sixty-three".