213165041 has 2 divisors, whose sum is σ = 213165042. Its totient is φ = 213165040.

The previous prime is 213165011. The next prime is 213165089. The reversal of 213165041 is 140561312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213160000 + 5041 = 14600^2 + 71^2 .

It is a cyclic number.

It is not a de Polignac number, because 213165041 - 2²² = 208970737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213164998 and 213165016.

It is not a weakly prime, because it can be changed into another prime (213165011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106582520 + 106582521.

It is an arithmetic number, because the mean of its divisors is an integer number (106582521).

Almost surely, 2^213165041 is an apocalyptic number.

It is an amenable number.

213165041 is a deficient number, since it is larger than the sum of its proper divisors (1).

213165041 is an equidigital number, since it uses as much as digits as its factorization.

213165041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 213165041 is about 14600.1726359656. The cubic root of 213165041 is about 597.3634694437.

It can be divided in two parts, 21316 and 5041, that multiplied together give a square (107453956 = 10366²).

The spelling of 213165041 in words is "two hundred thirteen million, one hundred sixty-five thousand, forty-one".