211064291 has 8 divisors (see below), whose sum is σ = 218743200. Its totient is φ = 203412160.

The previous prime is 211064279. The next prime is 211064297. The reversal of 211064291 is 192460112.

211064291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211064291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211064291.

It is not an unprimeable number, because it can be changed into a prime (211064297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10106 + ... + 22896.

It is an arithmetic number, because the mean of its divisors is an integer number (27342900).

Almost surely, 2^211064291 is an apocalyptic number.

211064291 is a deficient number, since it is larger than the sum of its proper divisors (7678909).

211064291 is a wasteful number, since it uses less digits than its factorization.

211064291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13389.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 211064291 is about 14528.0518652709. The cubic root of 211064291 is about 595.3946406237.

The spelling of 211064291 in words is "two hundred eleven million, sixty-four thousand, two hundred ninety-one".