211532452 has 6 divisors (see below), whose sum is σ = 370181798. Its totient is φ = 105766224.

The previous prime is 211532443. The next prime is 211532471. The reversal of 211532452 is 254235112.

It can be written as a sum of positive squares in only one way, i.e., 197514916 + 14017536 = 14054^2 + 3744^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26441553 + ... + 26441560.

Almost surely, 2^211532452 is an apocalyptic number.

It is an amenable number.

211532452 is a deficient number, since it is larger than the sum of its proper divisors (158649346).

211532452 is a wasteful number, since it uses less digits than its factorization.

211532452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52883117 (or 52883115 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 211532452 is about 14544.1552521967. The cubic root of 211532452 is about 595.8345298339.

Adding to 211532452 its reverse (254235112), we get a palindrome (465767564).

The spelling of 211532452 in words is "two hundred eleven million, five hundred thirty-two thousand, four hundred fifty-two".