211410161 has 2 divisors, whose sum is σ = 211410162. Its totient is φ = 211410160.

The previous prime is 211410151. The next prime is 211410167. The reversal of 211410161 is 161014112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209670400 + 1739761 = 14480^2 + 1319^2 .

It is a cyclic number.

It is not a de Polignac number, because 211410161 - 2¹⁰ = 211409137 is a prime.

It is not a weakly prime, because it can be changed into another prime (211410167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105705080 + 105705081.

It is an arithmetic number, because the mean of its divisors is an integer number (105705081).

Almost surely, 2^211410161 is an apocalyptic number.

It is an amenable number.

211410161 is a deficient number, since it is larger than the sum of its proper divisors (1).

211410161 is an equidigital number, since it uses as much as digits as its factorization.

211410161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 211410161 is about 14539.9505157342. The cubic root of 211410161 is about 595.7196865464.

Adding to 211410161 its reverse (161014112), we get a palindrome (372424273).

The spelling of 211410161 in words is "two hundred eleven million, four hundred ten thousand, one hundred sixty-one".