42271703 has 2 divisors, whose sum is σ = 42271704. Its totient is φ = 42271702.

The previous prime is 42271699. The next prime is 42271721. The reversal of 42271703 is 30717224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42271703 - 2² = 42271699 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42271783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21135851 + 21135852.

It is an arithmetic number, because the mean of its divisors is an integer number (21135852).

Almost surely, 2^42271703 is an apocalyptic number.

42271703 is a deficient number, since it is larger than the sum of its proper divisors (1).

42271703 is an equidigital number, since it uses as much as digits as its factorization.

42271703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 42271703 is about 6501.6692472011. The cubic root of 42271703 is about 348.3506149456.

Adding to 42271703 its reverse (30717224), we get a palindrome (72988927).

The spelling of 42271703 in words is "forty-two million, two hundred seventy-one thousand, seven hundred three".