42100241 has 4 divisors (see below), whose sum is σ = 42312000. Its totient is φ = 41888484.

The previous prime is 42100229. The next prime is 42100249. The reversal of 42100241 is 14200124.

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 a de Polignac number, because none of the positive numbers 2^k-42100241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42100249) 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, 105581 + ... + 105978.

It is an arithmetic number, because the mean of its divisors is an integer number (10578000).

Almost surely, 2^42100241 is an apocalyptic number.

It is an amenable number.

42100241 is a deficient number, since it is larger than the sum of its proper divisors (211759).

42100241 is a wasteful number, since it uses less digits than its factorization.

42100241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211758.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 42100241 is about 6488.4698504347. The cubic root of 42100241 is about 347.8789847644.

Adding to 42100241 its reverse (14200124), we get a palindrome (56300365).

The spelling of 42100241 in words is "forty-two million, one hundred thousand, two hundred forty-one".