42857453 has 4 divisors (see below), whose sum is σ = 43165920. Its totient is φ = 42548988.

The previous prime is 42857417. The next prime is 42857471. The reversal of 42857453 is 35475824.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42857453 - 2¹² = 42853357 is a prime.

It is a super-2 number, since 2×42857453² = 3673522555294418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42857473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154025 + ... + 154302.

It is an arithmetic number, because the mean of its divisors is an integer number (10791480).

Almost surely, 2^42857453 is an apocalyptic number.

It is an amenable number.

42857453 is a deficient number, since it is larger than the sum of its proper divisors (308467).

42857453 is a wasteful number, since it uses less digits than its factorization.

42857453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308466.

The product of its digits is 134400, while the sum is 38.

The square root of 42857453 is about 6546.5603945889. The cubic root of 42857453 is about 349.9522465461.

The spelling of 42857453 in words is "forty-two million, eight hundred fifty-seven thousand, four hundred fifty-three".