211340752 has 40 divisors (see below), whose sum is σ = 468718016. Its totient is φ = 90429696.

The previous prime is 211340741. The next prime is 211340761. The reversal of 211340752 is 257043112.

It is a happy number.

It is a congruent number.

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, 97828 + ... + 99964.

Almost surely, 2^211340752 is an apocalyptic number.

It is an amenable number.

211340752 is an abundant number, since it is smaller than the sum of its proper divisors (257377264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211340752 is a wasteful number, since it uses less digits than its factorization.

211340752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3035 (or 3029 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 211340752 is about 14537.5634822346. The cubic root of 211340752 is about 595.6544849600.

Adding to 211340752 its reverse (257043112), we get a palindrome (468383864).

The spelling of 211340752 in words is "two hundred eleven million, three hundred forty thousand, seven hundred fifty-two".