211485241 has 4 divisors (see below), whose sum is σ = 230711184. Its totient is φ = 192259300.

The previous prime is 211485233. The next prime is 211485283. The reversal of 211485241 is 142584112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 211485241 - 2³ = 211485233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211485041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9612955 + ... + 9612976.

It is an arithmetic number, because the mean of its divisors is an integer number (57677796).

Almost surely, 2^211485241 is an apocalyptic number.

It is an amenable number.

211485241 is a deficient number, since it is larger than the sum of its proper divisors (19225943).

211485241 is a wasteful number, since it uses less digits than its factorization.

211485241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19225942.

The product of its digits is 2560, while the sum is 28.

The square root of 211485241 is about 14542.5321385239. The cubic root of 211485241 is about 595.7901993041.

The spelling of 211485241 in words is "two hundred eleven million, four hundred eighty-five thousand, two hundred forty-one".