211232552 has 32 divisors (see below), whose sum is σ = 417182400. Its totient is φ = 100070784.

The previous prime is 211232521. The next prime is 211232563. The reversal of 211232552 is 255232112.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14324 + ... + 25052.

It is an arithmetic number, because the mean of its divisors is an integer number (13036950).

Almost surely, 2^211232552 is an apocalyptic number.

It is an amenable number.

211232552 is a deficient number, since it is larger than the sum of its proper divisors (205949848).

211232552 is a wasteful number, since it uses less digits than its factorization.

211232552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10865 (or 10861 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 211232552 is about 14533.8416119070. The cubic root of 211232552 is about 595.5528153158.

Adding to 211232552 its reverse (255232112), we get a palindrome (466464664).

The spelling of 211232552 in words is "two hundred eleven million, two hundred thirty-two thousand, five hundred fifty-two".