42835161 has 4 divisors (see below), whose sum is σ = 57113552. Its totient is φ = 28556772.

The previous prime is 42835157. The next prime is 42835187. The reversal of 42835161 is 16153824.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42835161 - 2² = 42835157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42835141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7139191 + ... + 7139196.

It is an arithmetic number, because the mean of its divisors is an integer number (14278388).

Almost surely, 2^42835161 is an apocalyptic number.

It is an amenable number.

42835161 is a deficient number, since it is larger than the sum of its proper divisors (14278391).

42835161 is a wasteful number, since it uses less digits than its factorization.

42835161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14278390.

The product of its digits is 5760, while the sum is 30.

The square root of 42835161 is about 6544.8575996732. The cubic root of 42835161 is about 349.8915609641.

Adding to 42835161 its reverse (16153824), we get a palindrome (58988985).

The spelling of 42835161 in words is "forty-two million, eight hundred thirty-five thousand, one hundred sixty-one".