42141005 has 4 divisors (see below), whose sum is σ = 50569212. Its totient is φ = 33712800.

The previous prime is 42140957. The next prime is 42141017. The reversal of 42141005 is 50014124.

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 29658916 + 12482089 = 5446^2 + 3533^2 .

It is a de Polignac number, because none of the positive numbers 2^k-42141005 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4214096 + ... + 4214105.

It is an arithmetic number, because the mean of its divisors is an integer number (12642303).

Almost surely, 2^42141005 is an apocalyptic number.

It is an amenable number.

42141005 is a deficient number, since it is larger than the sum of its proper divisors (8428207).

42141005 is an equidigital number, since it uses as much as digits as its factorization.

42141005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8428206.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 42141005 is about 6491.6103549119. The cubic root of 42141005 is about 347.9912277042.

Adding to 42141005 its reverse (50014124), we get a palindrome (92155129).

The spelling of 42141005 in words is "forty-two million, one hundred forty-one thousand, five".