211714973 has 2 divisors, whose sum is σ = 211714974. Its totient is φ = 211714972.

The previous prime is 211714933. The next prime is 211714981. The reversal of 211714973 is 379417112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148401124 + 63313849 = 12182^2 + 7957^2 .

It is a cyclic number.

It is not a de Polignac number, because 211714973 - 2²² = 207520669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211714933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105857486 + 105857487.

It is an arithmetic number, because the mean of its divisors is an integer number (105857487).

Almost surely, 2^211714973 is an apocalyptic number.

It is an amenable number.

211714973 is a deficient number, since it is larger than the sum of its proper divisors (1).

211714973 is an equidigital number, since it uses as much as digits as its factorization.

211714973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584, while the sum is 35.

The square root of 211714973 is about 14550.4286191163. The cubic root of 211714973 is about 596.0058527194.

The spelling of 211714973 in words is "two hundred eleven million, seven hundred fourteen thousand, nine hundred seventy-three".