42957065 has 8 divisors (see below), whose sum is σ = 52170048. Its totient is φ = 33951280.

The previous prime is 42957049. The next prime is 42957071. The reversal of 42957065 is 56075924.

It is a happy number.

42957065 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 42957065 - 2⁴ = 42957049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 51341 + ... + 52170.

It is an arithmetic number, because the mean of its divisors is an integer number (6521256).

Almost surely, 2^42957065 is an apocalyptic number.

It is an amenable number.

42957065 is a deficient number, since it is larger than the sum of its proper divisors (9212983).

42957065 is a wasteful number, since it uses less digits than its factorization.

42957065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103599.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 42957065 is about 6554.1639436316. The cubic root of 42957065 is about 350.2231638005.

The spelling of 42957065 in words is "forty-two million, nine hundred fifty-seven thousand, sixty-five".