42331897 has 8 divisors (see below), whose sum is σ = 43026560. Its totient is φ = 41640480.

The previous prime is 42331879. The next prime is 42331901. The reversal of 42331897 is 79813324.

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 42331897 - 2⁷ = 42331769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42331837) 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, 45604 + ... + 46522.

It is an arithmetic number, because the mean of its divisors is an integer number (5378320).

Almost surely, 2^42331897 is an apocalyptic number.

It is an amenable number.

42331897 is a deficient number, since it is larger than the sum of its proper divisors (694663).

42331897 is an equidigital number, since it uses as much as digits as its factorization.

42331897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623.

The product of its digits is 36288, while the sum is 37.

The square root of 42331897 is about 6506.2967193327. The cubic root of 42331897 is about 348.5158844627.

The spelling of 42331897 in words is "forty-two million, three hundred thirty-one thousand, eight hundred ninety-seven".