42982141 has 2 divisors, whose sum is σ = 42982142. Its totient is φ = 42982140.

The previous prime is 42982117. The next prime is 42982153. The reversal of 42982141 is 14128924.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42954916 + 27225 = 6554^2 + 165^2 .

It is a cyclic number.

It is not a de Polignac number, because 42982141 - 2⁷ = 42982013 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42982441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21491070 + 21491071.

It is an arithmetic number, because the mean of its divisors is an integer number (21491071).

Almost surely, 2^42982141 is an apocalyptic number.

It is an amenable number.

42982141 is a deficient number, since it is larger than the sum of its proper divisors (1).

42982141 is an equidigital number, since it uses as much as digits as its factorization.

42982141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 31.

The square root of 42982141 is about 6556.0766468979. The cubic root of 42982141 is about 350.2912976279.

The spelling of 42982141 in words is "forty-two million, nine hundred eighty-two thousand, one hundred forty-one".