211243532 has 12 divisors (see below), whose sum is σ = 369957336. Its totient is φ = 105541440.

The previous prime is 211243507. The next prime is 211243561. The reversal of 211243532 is 235342112.

It is a junction number, because it is equal to n+sod(n) for n = 211243498 and 211243507.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13958 + ... + 24845.

It is an arithmetic number, because the mean of its divisors is an integer number (30829778).

Almost surely, 2^211243532 is an apocalyptic number.

It is an amenable number.

211243532 is a deficient number, since it is larger than the sum of its proper divisors (158713804).

211243532 is a wasteful number, since it uses less digits than its factorization.

211243532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40168 (or 40166 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 211243532 is about 14534.2193460812. The cubic root of 211243532 is about 595.5631342061.

Adding to 211243532 its reverse (235342112), we get a palindrome (446585644).

The spelling of 211243532 in words is "two hundred eleven million, two hundred forty-three thousand, five hundred thirty-two".