42571093 has 2 divisors, whose sum is σ = 42571094. Its totient is φ = 42571092.

The previous prime is 42571057. The next prime is 42571097. The reversal of 42571093 is 39017524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33097009 + 9474084 = 5753^2 + 3078^2 .

It is a cyclic number.

It is not a de Polignac number, because 42571093 - 2⁹ = 42570581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42571097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21285546 + 21285547.

It is an arithmetic number, because the mean of its divisors is an integer number (21285547).

Almost surely, 2^42571093 is an apocalyptic number.

It is an amenable number.

42571093 is a deficient number, since it is larger than the sum of its proper divisors (1).

42571093 is an equidigital number, since it uses as much as digits as its factorization.

42571093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 42571093 is about 6524.6527110644. The cubic root of 42571093 is about 349.1710805626.

The spelling of 42571093 in words is "forty-two million, five hundred seventy-one thousand, ninety-three".