211413500 has 24 divisors (see below), whose sum is σ = 461728176. Its totient is φ = 84565200.

The previous prime is 211413481. The next prime is 211413557. The reversal of 211413500 is 5314112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210914 + ... + 211913.

It is an arithmetic number, because the mean of its divisors is an integer number (19238674).

Almost surely, 2^211413500 is an apocalyptic number.

211413500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211413500 is an abundant number, since it is smaller than the sum of its proper divisors (250314676).

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

211413500 is a wasteful number, since it uses less digits than its factorization.

211413500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422846 (or 422834 counting only the distinct ones).

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

The square root of 211413500 is about 14540.0653368546. The cubic root of 211413500 is about 595.7228227841.

Adding to 211413500 its reverse (5314112), we get a palindrome (216727612).

The spelling of 211413500 in words is "two hundred eleven million, four hundred thirteen thousand, five hundred".