42641211 has 8 divisors (see below), whose sum is σ = 56992320. Its totient is φ = 28358792.

The previous prime is 42641197. The next prime is 42641231. The reversal of 42641211 is 11214624.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42641211 - 2⁶ = 42641147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42641231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15705 + ... + 18218.

It is an arithmetic number, because the mean of its divisors is an integer number (7124040).

Almost surely, 2^42641211 is an apocalyptic number.

42641211 is a deficient number, since it is larger than the sum of its proper divisors (14351109).

42641211 is a wasteful number, since it uses less digits than its factorization.

42641211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34345.

The product of its digits is 384, while the sum is 21.

The square root of 42641211 is about 6530.0238131266. The cubic root of 42641211 is about 349.3626796538.

Adding to 42641211 its reverse (11214624), we get a palindrome (53855835).

The spelling of 42641211 in words is "forty-two million, six hundred forty-one thousand, two hundred eleven".