211353091 has 2 divisors, whose sum is σ = 211353092. Its totient is φ = 211353090.

The previous prime is 211353089. The next prime is 211353113. The reversal of 211353091 is 190353112.

211353091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211353091 - 2¹ = 211353089 is a prime.

Together with 211353089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (211353001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105676545 + 105676546.

It is an arithmetic number, because the mean of its divisors is an integer number (105676546).

Almost surely, 2^211353091 is an apocalyptic number.

211353091 is a deficient number, since it is larger than the sum of its proper divisors (1).

211353091 is an equidigital number, since it uses as much as digits as its factorization.

211353091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 211353091 is about 14537.9878593979. The cubic root of 211353091 is about 595.6660770415. Note that the first 3 decimals are identical.

The spelling of 211353091 in words is "two hundred eleven million, three hundred fifty-three thousand, ninety-one".