42251043 has 8 divisors (see below), whose sum is σ = 56376000. Its totient is φ = 28146728.

The previous prime is 42251009. The next prime is 42251089. The reversal of 42251043 is 34015224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42251043 - 2⁹ = 42250531 is a prime.

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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508 + ... + 9206.

It is an arithmetic number, because the mean of its divisors is an integer number (7047000).

Almost surely, 2^42251043 is an apocalyptic number.

42251043 is a deficient number, since it is larger than the sum of its proper divisors (14124957).

42251043 is a wasteful number, since it uses less digits than its factorization.

42251043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10321.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 42251043 is about 6500.0802302741. The cubic root of 42251043 is about 348.2938543863.

Adding to 42251043 its reverse (34015224), we get a palindrome (76266267).

The spelling of 42251043 in words is "forty-two million, two hundred fifty-one thousand, forty-three".