42965321 has 8 divisors (see below), whose sum is σ = 49163520. Its totient is φ = 36782208.

The previous prime is 42965303. The next prime is 42965347. The reversal of 42965321 is 12356924.

It is a happy number.

42965321 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 a cyclic number.

It is not a de Polignac number, because 42965321 - 2⁶ = 42965257 is a prime.

It is a super-3 number, since 3×42965321³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (42965371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3200 + ... + 9806.

It is an arithmetic number, because the mean of its divisors is an integer number (6145440).

Almost surely, 2^42965321 is an apocalyptic number.

It is an amenable number.

42965321 is a deficient number, since it is larger than the sum of its proper divisors (6198199).

42965321 is an equidigital number, since it uses as much as digits as its factorization.

42965321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7543.

The product of its digits is 12960, while the sum is 32.

The square root of 42965321 is about 6554.7937419876. The cubic root of 42965321 is about 350.2455990486.

The spelling of 42965321 in words is "forty-two million, nine hundred sixty-five thousand, three hundred twenty-one".