211966053 has 12 divisors (see below), whose sum is σ = 306034560. Its totient is φ = 130440336.

The previous prime is 211966043. The next prime is 211966067. The reversal of 211966053 is 350669112.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-211966053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211966043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 208533 + ... + 209546.

It is an arithmetic number, because the mean of its divisors is an integer number (25502880).

Almost surely, 2^211966053 is an apocalyptic number.

It is an amenable number.

211966053 is a deficient number, since it is larger than the sum of its proper divisors (94068507).

211966053 is a wasteful number, since it uses less digits than its factorization.

211966053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418108 (or 418095 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 211966053 is about 14559.0539871243. The cubic root of 211966053 is about 596.2413675249.

The spelling of 211966053 in words is "two hundred eleven million, nine hundred sixty-six thousand, fifty-three".