42897 has 8 divisors (see below), whose sum is σ = 58240. Its totient is φ = 28080.

The previous prime is 42863. The next prime is 42899. The reversal of 42897 is 79824.

42897 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 not a de Polignac number, because 42897 - 2⁸ = 42641 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147 + ... + 327.

It is an arithmetic number, because the mean of its divisors is an integer number (7280).

2⁴²⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

42897 is a deficient number, since it is larger than the sum of its proper divisors (15343).

42897 is a wasteful number, since it uses less digits than its factorization.

42897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263.

The product of its digits is 4032, while the sum is 30.

The square root of 42897 is about 207.1159095772. The cubic root of 42897 is about 35.0059853709.

It can be divided in two parts, 428 and 97, that added together give a palindrome (525).

The spelling of 42897 in words is "forty-two thousand, eight hundred ninety-seven".