211273652 has 12 divisors (see below), whose sum is σ = 369884256. Its totient is φ = 105592440.

The previous prime is 211273651. The next prime is 211273669. The reversal of 211273652 is 256372112.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211273651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1103 + ... + 20585.

It is an arithmetic number, because the mean of its divisors is an integer number (30823688).

Almost surely, 2^211273652 is an apocalyptic number.

It is an amenable number.

211273652 is a deficient number, since it is larger than the sum of its proper divisors (158610604).

211273652 is a wasteful number, since it uses less digits than its factorization.

211273652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22198 (or 22196 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 211273652 is about 14535.2554845108. The cubic root of 211273652 is about 595.5914388346.

The spelling of 211273652 in words is "two hundred eleven million, two hundred seventy-three thousand, six hundred fifty-two".