42328517 has 16 divisors (see below), whose sum is σ = 53015424. Its totient is φ = 32832000.

The previous prime is 42328513. The next prime is 42328519. The reversal of 42328517 is 71582324.

It is a cyclic number.

It is not a de Polignac number, because 42328517 - 2² = 42328513 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42328511) 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, 17417 + ... + 19697.

It is an arithmetic number, because the mean of its divisors is an integer number (3313464).

Almost surely, 2^42328517 is an apocalyptic number.

It is an amenable number.

42328517 is a deficient number, since it is larger than the sum of its proper divisors (10686907).

42328517 is a wasteful number, since it uses less digits than its factorization.

42328517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540.

The product of its digits is 13440, while the sum is 32.

The square root of 42328517 is about 6506.0369657726. The cubic root of 42328517 is about 348.5066084390.

The spelling of 42328517 in words is "forty-two million, three hundred twenty-eight thousand, five hundred seventeen".