42657001 has 8 divisors (see below), whose sum is σ = 43110144. Its totient is φ = 42206640.

The previous prime is 42656987. The next prime is 42657031. The reversal of 42657001 is 10075624.

42657001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42657001 - 2⁵ = 42656969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42657031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43446 + ... + 44416.

It is an arithmetic number, because the mean of its divisors is an integer number (5388768).

Almost surely, 2^42657001 is an apocalyptic number.

It is an amenable number.

42657001 is a deficient number, since it is larger than the sum of its proper divisors (453143).

42657001 is a wasteful number, since it uses less digits than its factorization.

42657001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 42657001 is about 6531.2327320346. The cubic root of 42657001 is about 349.4057972218.

The spelling of 42657001 in words is "forty-two million, six hundred fifty-seven thousand, one".