213071041 has 2 divisors, whose sum is σ = 213071042. Its totient is φ = 213071040.

The previous prime is 213071009. The next prime is 213071059. The reversal of 213071041 is 140170312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 177023025 + 36048016 = 13305^2 + 6004^2 .

It is a cyclic number.

It is not a de Polignac number, because 213071041 - 2⁵ = 213071009 is a prime.

It is not a weakly prime, because it can be changed into another prime (213071141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106535520 + 106535521.

It is an arithmetic number, because the mean of its divisors is an integer number (106535521).

Almost surely, 2^213071041 is an apocalyptic number.

It is an amenable number.

213071041 is a deficient number, since it is larger than the sum of its proper divisors (1).

213071041 is an equidigital number, since it uses as much as digits as its factorization.

213071041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 213071041 is about 14596.9531409812. The cubic root of 213071041 is about 597.2756495058.

The spelling of 213071041 in words is "two hundred thirteen million, seventy-one thousand, forty-one".