42210041 has 4 divisors (see below), whose sum is σ = 42304500. Its totient is φ = 42115584.

The previous prime is 42210023. The next prime is 42210053. The reversal of 42210041 is 14001224.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9765625 + 32444416 = 3125^2 + 5696^2 .

It is a cyclic number.

It is not a de Polignac number, because 42210041 - 2⁶ = 42209977 is a prime.

It is a super-2 number, since 2×42210041² = 3563375122443362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42209998 and 42210025.

It is not an unprimeable number, because it can be changed into a prime (42210071) 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, 46556 + ... + 47453.

It is an arithmetic number, because the mean of its divisors is an integer number (10576125).

Almost surely, 2^42210041 is an apocalyptic number.

It is an amenable number.

42210041 is a deficient number, since it is larger than the sum of its proper divisors (94459).

42210041 is an equidigital number, since it uses as much as digits as its factorization.

42210041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94458.

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

The square root of 42210041 is about 6496.9255036517. The cubic root of 42210041 is about 348.1811521063.

Adding to 42210041 its reverse (14001224), we get a palindrome (56211265).

The spelling of 42210041 in words is "forty-two million, two hundred ten thousand, forty-one".