42331601 has 8 divisors (see below), whose sum is σ = 47987520. Its totient is φ = 37018512.

The previous prime is 42331591. The next prime is 42331603. The reversal of 42331601 is 10613324.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42331601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42331603) 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, 85445 + ... + 85938.

It is an arithmetic number, because the mean of its divisors is an integer number (5998440).

Almost surely, 2^42331601 is an apocalyptic number.

It is an amenable number.

42331601 is a deficient number, since it is larger than the sum of its proper divisors (5655919).

42331601 is a wasteful number, since it uses less digits than its factorization.

42331601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171415.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 42331601 is about 6506.2739720980. The cubic root of 42331601 is about 348.5150721442.

Adding to 42331601 its reverse (10613324), we get a palindrome (52944925).

The spelling of 42331601 in words is "forty-two million, three hundred thirty-one thousand, six hundred one".