42811017 has 4 divisors (see below), whose sum is σ = 57081360. Its totient is φ = 28540676.

The previous prime is 42811007. The next prime is 42811019. The reversal of 42811017 is 71011824.

42811017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 42811017 - 2¹² = 42806921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42811019) 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 3 ways as a sum of consecutive naturals, for example, 7135167 + ... + 7135172.

It is an arithmetic number, because the mean of its divisors is an integer number (14270340).

Almost surely, 2^42811017 is an apocalyptic number.

It is an amenable number.

42811017 is a deficient number, since it is larger than the sum of its proper divisors (14270343).

42811017 is a wasteful number, since it uses less digits than its factorization.

42811017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14270342.

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 42811017 is about 6543.0128381350. The cubic root of 42811017 is about 349.8258099211.

The spelling of 42811017 in words is "forty-two million, eight hundred eleven thousand, seventeen".