42771341 has 2 divisors, whose sum is σ = 42771342. Its totient is φ = 42771340.

The previous prime is 42771319. The next prime is 42771343. The reversal of 42771341 is 14317724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36120100 + 6651241 = 6010^2 + 2579^2 .

It is a cyclic number.

It is not a de Polignac number, because 42771341 - 2²² = 38577037 is a prime.

It is a super-2 number, since 2×42771341² = 3658775221876562, which contains 22 as substring.

Together with 42771343, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42771343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21385670 + 21385671.

It is an arithmetic number, because the mean of its divisors is an integer number (21385671).

Almost surely, 2^42771341 is an apocalyptic number.

It is an amenable number.

42771341 is a deficient number, since it is larger than the sum of its proper divisors (1).

42771341 is an equidigital number, since it uses as much as digits as its factorization.

42771341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704, while the sum is 29.

The square root of 42771341 is about 6539.9801987468. The cubic root of 42771341 is about 349.7177070714.

The spelling of 42771341 in words is "forty-two million, seven hundred seventy-one thousand, three hundred forty-one".