211472985 has 8 divisors (see below), whose sum is σ = 338356800. Its totient is φ = 112785584.

The previous prime is 211472977. The next prime is 211473001. The reversal of 211472985 is 589274112.

211472985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211472985 - 2³ = 211472977 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7049085 + ... + 7049114.

It is an arithmetic number, because the mean of its divisors is an integer number (42294600).

Almost surely, 2^211472985 is an apocalyptic number.

It is an amenable number.

211472985 is a deficient number, since it is larger than the sum of its proper divisors (126883815).

211472985 is a wasteful number, since it uses less digits than its factorization.

211472985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14098207.

The product of its digits is 40320, while the sum is 39.

The square root of 211472985 is about 14542.1107477560. The cubic root of 211472985 is about 595.7786899970.

The spelling of 211472985 in words is "two hundred eleven million, four hundred seventy-two thousand, nine hundred eighty-five".