211256463 has 32 divisors (see below), whose sum is σ = 320474880. Its totient is φ = 122697120.

The previous prime is 211256431. The next prime is 211256471. The reversal of 211256463 is 364652112.

211256463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 211256463 - 2⁵ = 211256431 is a prime.

Its product of digits (8640) is a multiple of the sum of its prime factors (216).

It is a self number, because there is not a number n which added to its sum of digits gives 211256463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211256483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3985945 + ... + 3985997.

It is an arithmetic number, because the mean of its divisors is an integer number (10014840).

Almost surely, 2^211256463 is an apocalyptic number.

211256463 is a deficient number, since it is larger than the sum of its proper divisors (109218417).

211256463 is an frugal number, since it uses more digits than its factorization.

211256463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 110 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 211256463 is about 14534.6641860072. The cubic root of 211256463 is about 595.5752861676.

The spelling of 211256463 in words is "two hundred eleven million, two hundred fifty-six thousand, four hundred sixty-three".