42905361 has 8 divisors (see below), whose sum is σ = 57414784. Its totient is φ = 28499760.

The previous prime is 42905341. The next prime is 42905389. The reversal of 42905361 is 16350924.

42905361 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 de Polignac number, because none of the positive numbers 2^k-42905361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42905321) 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, 24985 + ... + 26646.

It is an arithmetic number, because the mean of its divisors is an integer number (7176848).

Almost surely, 2^42905361 is an apocalyptic number.

It is an amenable number.

42905361 is a deficient number, since it is larger than the sum of its proper divisors (14509423).

42905361 is a wasteful number, since it uses less digits than its factorization.

42905361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51911.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 42905361 is about 6550.2183933057. The cubic root of 42905361 is about 350.0825954730.

The spelling of 42905361 in words is "forty-two million, nine hundred five thousand, three hundred sixty-one".