211461963 has 16 divisors (see below), whose sum is σ = 314248320. Its totient is φ = 125698176.

The previous prime is 211461941. The next prime is 211461989. The reversal of 211461963 is 369164112.

It is not a de Polignac number, because 211461963 - 2¹⁰ = 211460939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211461923) 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, 108145 + ... + 110082.

It is an arithmetic number, because the mean of its divisors is an integer number (19640520).

Almost surely, 2^211461963 is an apocalyptic number.

211461963 is a deficient number, since it is larger than the sum of its proper divisors (102786357).

211461963 is a wasteful number, since it uses less digits than its factorization.

211461963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218266.

The product of its digits is 7776, while the sum is 33.

The square root of 211461963 is about 14541.7317744483. The cubic root of 211461963 is about 595.7683391291.

The spelling of 211461963 in words is "two hundred eleven million, four hundred sixty-one thousand, nine hundred sixty-three".