42848257 has 16 divisors (see below), whose sum is σ = 45308160. Its totient is φ = 40480128.

The previous prime is 42848243. The next prime is 42848261. The reversal of 42848257 is 75284824.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42848257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42848207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312693 + ... + 312829.

It is an arithmetic number, because the mean of its divisors is an integer number (2831760).

Almost surely, 2^42848257 is an apocalyptic number.

It is an amenable number.

42848257 is a deficient number, since it is larger than the sum of its proper divisors (2459903).

42848257 is a wasteful number, since it uses less digits than its factorization.

42848257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360.

The product of its digits is 143360, while the sum is 40.

The square root of 42848257 is about 6545.8580033484. The cubic root of 42848257 is about 349.9272147968.

The spelling of 42848257 in words is "forty-two million, eight hundred forty-eight thousand, two hundred fifty-seven".