211325210 has 16 divisors (see below), whose sum is σ = 382941000. Its totient is φ = 83962176.

The previous prime is 211325143. The next prime is 211325227. The reversal of 211325210 is 12523112.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 75672601 + 135652609 = 8699^2 + 11647^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69425 + ... + 72404.

Almost surely, 2^211325210 is an apocalyptic number.

211325210 is a deficient number, since it is larger than the sum of its proper divisors (171615790).

211325210 is a wasteful number, since it uses less digits than its factorization.

211325210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141985.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 211325210 is about 14537.0289261596. The cubic root of 211325210 is about 595.6398831241.

Adding to 211325210 its reverse (12523112), we get a palindrome (223848322).

It can be divided in two parts, 21 and 1325210, that added together give a palindrome (1325231).

The spelling of 211325210 in words is "two hundred eleven million, three hundred twenty-five thousand, two hundred ten".