42105533 has 8 divisors (see below), whose sum is σ = 43568640. Its totient is φ = 40649040.

The previous prime is 42105523. The next prime is 42105563. The reversal of 42105533 is 33550124.

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 42105533 - 2¹⁰ = 42104509 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42105499 and 42105508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42105523) 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, 13703 + ... + 16491.

It is an arithmetic number, because the mean of its divisors is an integer number (5446080).

Almost surely, 2^42105533 is an apocalyptic number.

It is an amenable number.

42105533 is a deficient number, since it is larger than the sum of its proper divisors (1463107).

42105533 is a wasteful number, since it uses less digits than its factorization.

42105533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3307.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 42105533 is about 6488.8776379278. The cubic root of 42105533 is about 347.8935602823.

Adding to 42105533 its reverse (33550124), we get a palindrome (75655657).

The spelling of 42105533 in words is "forty-two million, one hundred five thousand, five hundred thirty-three".