42257601 has 12 divisors (see below), whose sum is σ = 63692928. Its totient is φ = 26946744.

The previous prime is 42257581. The next prime is 42257627. The reversal of 42257601 is 10675224.

42257601 is a `hidden beast` number, since 4 + 2 + 2 + 57 + 601 = 666.

It is not a de Polignac number, because 42257601 - 2¹¹ = 42255553 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42257641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101865 + ... + 102278.

It is an arithmetic number, because the mean of its divisors is an integer number (5307744).

Almost surely, 2^42257601 is an apocalyptic number.

It is an amenable number.

42257601 is a deficient number, since it is larger than the sum of its proper divisors (21435327).

42257601 is a wasteful number, since it uses less digits than its factorization.

42257601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204172 (or 204169 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 42257601 is about 6500.5846660127. The cubic root of 42257601 is about 348.3118736096.

The spelling of 42257601 in words is "forty-two million, two hundred fifty-seven thousand, six hundred one".