42641133 has 4 divisors (see below), whose sum is σ = 56854848. Its totient is φ = 28427420.

The previous prime is 42641101. The next prime is 42641141. The reversal of 42641133 is 33114624.

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 42641133 - 2⁵ = 42641101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42641153) 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, 7106853 + ... + 7106858.

It is an arithmetic number, because the mean of its divisors is an integer number (14213712).

Almost surely, 2^42641133 is an apocalyptic number.

It is an amenable number.

42641133 is a deficient number, since it is larger than the sum of its proper divisors (14213715).

42641133 is a wasteful number, since it uses less digits than its factorization.

42641133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14213714.

The product of its digits is 1728, while the sum is 24.

The square root of 42641133 is about 6530.0178407107. The cubic root of 42641133 is about 349.3624666337.

Adding to 42641133 its reverse (33114624), we get a palindrome (75755757).

The spelling of 42641133 in words is "forty-two million, six hundred forty-one thousand, one hundred thirty-three".