211550713 has 12 divisors (see below), whose sum is σ = 237484800. Its totient is φ = 188221880.

The previous prime is 211550687. The next prime is 211550723. The reversal of 211550713 is 317055112.

It is not a de Polignac number, because 211550713 - 2⁵ = 211550681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211550723) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 12913 + ... + 24286.

It is an arithmetic number, because the mean of its divisors is an integer number (19790400).

Almost surely, 2^211550713 is an apocalyptic number.

It is an amenable number.

211550713 is a deficient number, since it is larger than the sum of its proper divisors (25934087).

211550713 is a wasteful number, since it uses less digits than its factorization.

211550713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37268 (or 37257 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 211550713 is about 14544.7830166008. The cubic root of 211550713 is about 595.8516749120.

The spelling of 211550713 in words is "two hundred eleven million, five hundred fifty thousand, seven hundred thirteen".