211632041 has 2 divisors, whose sum is σ = 211632042. Its totient is φ = 211632040.

The previous prime is 211632019. The next prime is 211632049. The reversal of 211632041 is 140236112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 198922816 + 12709225 = 14104^2 + 3565^2 .

It is a cyclic number.

It is not a de Polignac number, because 211632041 - 2⁶ = 211631977 is a prime.

It is not a weakly prime, because it can be changed into another prime (211632049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105816020 + 105816021.

It is an arithmetic number, because the mean of its divisors is an integer number (105816021).

Almost surely, 2^211632041 is an apocalyptic number.

It is an amenable number.

211632041 is a deficient number, since it is larger than the sum of its proper divisors (1).

211632041 is an equidigital number, since it uses as much as digits as its factorization.

211632041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 211632041 is about 14547.5785270264. The cubic root of 211632041 is about 595.9280210133.

Adding to 211632041 its reverse (140236112), we get a palindrome (351868153).

It can be divided in two parts, 2116 and 32041, that multiplied together give a square (67798756 = 8234²).

The spelling of 211632041 in words is "two hundred eleven million, six hundred thirty-two thousand, forty-one".