211493875 has 16 divisors (see below), whose sum is σ = 267894432. Its totient is φ = 166663200.

The previous prime is 211493861. The next prime is 211493879. The reversal of 211493875 is 578394112.

It is not a de Polignac number, because 211493875 - 2⁷ = 211493747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211493879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4252 + ... + 21001.

It is an arithmetic number, because the mean of its divisors is an integer number (16743402).

Almost surely, 2^211493875 is an apocalyptic number.

211493875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

211493875 is a deficient number, since it is larger than the sum of its proper divisors (56400557).

211493875 is an equidigital number, since it uses as much as digits as its factorization.

211493875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25335 (or 25325 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The square root of 211493875 is about 14542.8289888866. The cubic root of 211493875 is about 595.7983070134.

The spelling of 211493875 in words is "two hundred eleven million, four hundred ninety-three thousand, eight hundred seventy-five".