211383097 has 2 divisors, whose sum is σ = 211383098. Its totient is φ = 211383096.

The previous prime is 211383091. The next prime is 211383103. The reversal of 211383097 is 790383112.

It is a balanced prime because it is at equal distance from previous prime (211383091) and next prime (211383103).

It can be written as a sum of positive squares in only one way, i.e., 211382521 + 576 = 14539^2 + 24^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211383097 is a prime.

It is a super-2 number, since 2×211383097² = 89365627394622818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (211383091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105691548 + 105691549.

It is an arithmetic number, because the mean of its divisors is an integer number (105691549).

Almost surely, 2^211383097 is an apocalyptic number.

It is an amenable number.

211383097 is a deficient number, since it is larger than the sum of its proper divisors (1).

211383097 is an equidigital number, since it uses as much as digits as its factorization.

211383097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 211383097 is about 14539.0198087767. The cubic root of 211383097 is about 595.6942648014.

The spelling of 211383097 in words is "two hundred eleven million, three hundred eighty-three thousand, ninety-seven".