211483961 has 8 divisors (see below), whose sum is σ = 241149384. Its totient is φ = 183732480.

The previous prime is 211483949. The next prime is 211483963. The reversal of 211483961 is 169384112.

It can be written as a sum of positive squares in 4 ways, for example, as 28558336 + 182925625 = 5344^2 + 13525^2 .

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 211483961 - 2¹⁰ = 211482937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211483963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478250 + ... + 478691.

It is an arithmetic number, because the mean of its divisors is an integer number (30143673).

Almost surely, 2^211483961 is an apocalyptic number.

It is an amenable number.

211483961 is a deficient number, since it is larger than the sum of its proper divisors (29665423).

211483961 is a wasteful number, since it uses less digits than its factorization.

211483961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956971.

The product of its digits is 10368, while the sum is 35.

The square root of 211483961 is about 14542.4881296152. The cubic root of 211483961 is about 595.7889973085.

The spelling of 211483961 in words is "two hundred eleven million, four hundred eighty-three thousand, nine hundred sixty-one".