42579011 has 4 divisors (see below), whose sum is σ = 42613632. Its totient is φ = 42544392.

The previous prime is 42579007. The next prime is 42579041. The reversal of 42579011 is 11097524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42579011 - 2² = 42579007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42579001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15395 + ... + 17948.

It is an arithmetic number, because the mean of its divisors is an integer number (10653408).

Almost surely, 2^42579011 is an apocalyptic number.

42579011 is a deficient number, since it is larger than the sum of its proper divisors (34621).

42579011 is a wasteful number, since it uses less digits than its factorization.

42579011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34620.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 42579011 is about 6525.2594584430. The cubic root of 42579011 is about 349.1927272171.

The spelling of 42579011 in words is "forty-two million, five hundred seventy-nine thousand, eleven".