42547101 has 16 divisors (see below), whose sum is σ = 57890496. Its totient is φ = 27789696.

The previous prime is 42547093. The next prime is 42547103. The reversal of 42547101 is 10174524.

It is not a de Polignac number, because 42547101 - 2³ = 42547093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42547103) 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, 37326 + ... + 38448.

It is an arithmetic number, because the mean of its divisors is an integer number (3618156).

Almost surely, 2^42547101 is an apocalyptic number.

It is an amenable number.

42547101 is a deficient number, since it is larger than the sum of its proper divisors (15343395).

42547101 is a wasteful number, since it uses less digits than its factorization.

42547101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 42547101 is about 6522.8138866597. The cubic root of 42547101 is about 349.1054735492.

The spelling of 42547101 in words is "forty-two million, five hundred forty-seven thousand, one hundred one".