211472097 has 16 divisors (see below), whose sum is σ = 294656640. Its totient is φ = 134652672.

The previous prime is 211472087. The next prime is 211472101. The reversal of 211472097 is 790274112.

It is not a de Polignac number, because 211472097 - 2⁷ = 211471969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211472017) 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, 55353 + ... + 59049.

It is an arithmetic number, because the mean of its divisors is an integer number (18416040).

Almost surely, 2^211472097 is an apocalyptic number.

It is an amenable number.

211472097 is a deficient number, since it is larger than the sum of its proper divisors (83184543).

211472097 is a wasteful number, since it uses less digits than its factorization.

211472097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4552.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 211472097 is about 14542.0802157050. The cubic root of 211472097 is about 595.7778560809. Note that the first 3 decimals are identical.

The spelling of 211472097 in words is "two hundred eleven million, four hundred seventy-two thousand, ninety-seven".