212254463 has 2 divisors, whose sum is σ = 212254464. Its totient is φ = 212254462.

The previous prime is 212254433. The next prime is 212254477. The reversal of 212254463 is 364452212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212254463 - 2¹⁴ = 212238079 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212254403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106127231 + 106127232.

It is an arithmetic number, because the mean of its divisors is an integer number (106127232).

Almost surely, 2^212254463 is an apocalyptic number.

212254463 is a deficient number, since it is larger than the sum of its proper divisors (1).

212254463 is an equidigital number, since it uses as much as digits as its factorization.

212254463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 29.

The square root of 212254463 is about 14568.9554532918. The cubic root of 212254463 is about 596.5116687301.

The spelling of 212254463 in words is "two hundred twelve million, two hundred fifty-four thousand, four hundred sixty-three".