42911285 has 8 divisors (see below), whose sum is σ = 53154816. Its totient is φ = 33221520.

The previous prime is 42911269. The next prime is 42911287. The reversal of 42911285 is 58211924.

42911285 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 42911285 - 2⁴ = 42911269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42911287) 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, 138269 + ... + 138578.

It is an arithmetic number, because the mean of its divisors is an integer number (6644352).

Almost surely, 2^42911285 is an apocalyptic number.

It is an amenable number.

42911285 is a deficient number, since it is larger than the sum of its proper divisors (10243531).

42911285 is a wasteful number, since it uses less digits than its factorization.

42911285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276883.

The product of its digits is 5760, while the sum is 32.

The square root of 42911285 is about 6550.6705763609. The cubic root of 42911285 is about 350.0987068540.

The spelling of 42911285 in words is "forty-two million, nine hundred eleven thousand, two hundred eighty-five".