42353857 has 16 divisors (see below), whose sum is σ = 52359552. Its totient is φ = 33361920.

The previous prime is 42353813. The next prime is 42353867. The reversal of 42353857 is 75835324.

It is a cyclic number.

It is not a de Polignac number, because 42353857 - 2¹⁵ = 42321089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42353867) 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, 22482 + ... + 24292.

It is an arithmetic number, because the mean of its divisors is an integer number (3272472).

Almost surely, 2^42353857 is an apocalyptic number.

It is an amenable number.

42353857 is a deficient number, since it is larger than the sum of its proper divisors (10005695).

42353857 is a wasteful number, since it uses less digits than its factorization.

42353857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2088.

The product of its digits is 100800, while the sum is 37.

The square root of 42353857 is about 6507.9840964772. The cubic root of 42353857 is about 348.5761391510.

The spelling of 42353857 in words is "forty-two million, three hundred fifty-three thousand, eight hundred fifty-seven".