42857113 has 4 divisors (see below), whose sum is σ = 46153828. Its totient is φ = 39560400.

The previous prime is 42857093. The next prime is 42857147. The reversal of 42857113 is 31175824.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19740249 + 23116864 = 4443^2 + 4808^2 .

It is a cyclic number.

It is not a de Polignac number, because 42857113 - 2²⁵ = 9302681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42857183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1648338 + ... + 1648363.

It is an arithmetic number, because the mean of its divisors is an integer number (11538457).

Almost surely, 2^42857113 is an apocalyptic number.

It is an amenable number.

42857113 is a deficient number, since it is larger than the sum of its proper divisors (3296715).

42857113 is a wasteful number, since it uses less digits than its factorization.

42857113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3296714.

The product of its digits is 6720, while the sum is 31.

The square root of 42857113 is about 6546.5344267024. The cubic root of 42857113 is about 349.9513211211.

The spelling of 42857113 in words is "forty-two million, eight hundred fifty-seven thousand, one hundred thirteen".