42656365 has 8 divisors (see below), whose sum is σ = 51763320. Its totient is φ = 33741312.

The previous prime is 42656357. The next prime is 42656381. The reversal of 42656365 is 56365624.

42656365 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 328329 + 42328036 = 573^2 + 6506^2 .

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 42656365 - 2³ = 42656357 is a prime.

It is a congruent 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, 47484 + ... + 48373.

It is an arithmetic number, because the mean of its divisors is an integer number (6470415).

Almost surely, 2^42656365 is an apocalyptic number.

It is an amenable number.

42656365 is a deficient number, since it is larger than the sum of its proper divisors (9106955).

42656365 is an equidigital number, since it uses as much as digits as its factorization.

42656365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95951.

The product of its digits is 129600, while the sum is 37.

The square root of 42656365 is about 6531.1840427292. The cubic root of 42656365 is about 349.4040607097.

The spelling of 42656365 in words is "forty-two million, six hundred fifty-six thousand, three hundred sixty-five".