42257163 has 8 divisors (see below), whose sum is σ = 60677008. Its totient is φ = 26004384.

The previous prime is 42257161. The next prime is 42257203. The reversal of 42257163 is 36175224.

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

It is not a de Polignac number, because 42257163 - 2¹ = 42257161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42257163.

It is not an unprimeable number, because it can be changed into a prime (42257161) 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, 541720 + ... + 541797.

It is an arithmetic number, because the mean of its divisors is an integer number (7584626).

Almost surely, 2^42257163 is an apocalyptic number.

42257163 is a deficient number, since it is larger than the sum of its proper divisors (18419845).

42257163 is a wasteful number, since it uses less digits than its factorization.

42257163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083533.

The product of its digits is 10080, while the sum is 30.

The square root of 42257163 is about 6500.5509766481. The cubic root of 42257163 is about 348.3106701880.

The spelling of 42257163 in words is "forty-two million, two hundred fifty-seven thousand, one hundred sixty-three".