211463047 has 4 divisors (see below), whose sum is σ = 211615600. Its totient is φ = 211310496.

The previous prime is 211463039. The next prime is 211463053. The reversal of 211463047 is 740364112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 211463047 - 2³ = 211463039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211463647) 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, 74178 + ... + 76975.

It is an arithmetic number, because the mean of its divisors is an integer number (52903900).

Almost surely, 2^211463047 is an apocalyptic number.

211463047 is a deficient number, since it is larger than the sum of its proper divisors (152553).

211463047 is a wasteful number, since it uses less digits than its factorization.

211463047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152552.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 211463047 is about 14541.7690464400. The cubic root of 211463047 is about 595.7693571401.

The spelling of 211463047 in words is "two hundred eleven million, four hundred sixty-three thousand, forty-seven".