211020463 has 2 divisors, whose sum is σ = 211020464. Its totient is φ = 211020462.

The previous prime is 211020461. The next prime is 211020499. The reversal of 211020463 is 364020112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211020463 - 2¹ = 211020461 is a prime.

Together with 211020461, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 211020463.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211020461) 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 as a sum of consecutive naturals, namely, 105510231 + 105510232.

It is an arithmetic number, because the mean of its divisors is an integer number (105510232).

Almost surely, 2^211020463 is an apocalyptic number.

211020463 is a deficient number, since it is larger than the sum of its proper divisors (1).

211020463 is an equidigital number, since it uses as much as digits as its factorization.

211020463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 211020463 is about 14526.5433947653. The cubic root of 211020463 is about 595.3534260683.

Adding to 211020463 its reverse (364020112), we get a palindrome (575040575).

The spelling of 211020463 in words is "two hundred eleven million, twenty thousand, four hundred sixty-three".