211345052 has 12 divisors (see below), whose sum is σ = 372515640. Its totient is φ = 104912016.

The previous prime is 211345033. The next prime is 211345063. The reversal of 211345052 is 250543112.

It is a congruent number.

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, 189503 + ... + 190614.

It is an arithmetic number, because the mean of its divisors is an integer number (31042970).

Almost surely, 2^211345052 is an apocalyptic number.

It is an amenable number.

211345052 is a deficient number, since it is larger than the sum of its proper divisors (161170588).

211345052 is a wasteful number, since it uses less digits than its factorization.

211345052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380260 (or 380258 counting only the distinct ones).

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

The square root of 211345052 is about 14537.7113742157. The cubic root of 211345052 is about 595.6585247187.

Adding to 211345052 its reverse (250543112), we get a palindrome (461888164).

The spelling of 211345052 in words is "two hundred eleven million, three hundred forty-five thousand, fifty-two".