212563259 has 2 divisors, whose sum is σ = 212563260. Its totient is φ = 212563258.

The previous prime is 212563237. The next prime is 212563277. The reversal of 212563259 is 952365212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212563259 - 2¹² = 212559163 is a prime.

It is not a weakly prime, because it can be changed into another prime (212563289) 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, 106281629 + 106281630.

It is an arithmetic number, because the mean of its divisors is an integer number (106281630).

Almost surely, 2^212563259 is an apocalyptic number.

212563259 is a deficient number, since it is larger than the sum of its proper divisors (1).

212563259 is an equidigital number, since it uses as much as digits as its factorization.

212563259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 35.

The square root of 212563259 is about 14579.5493414577. The cubic root of 212563259 is about 596.8008046404.

The spelling of 212563259 in words is "two hundred twelve million, five hundred sixty-three thousand, two hundred fifty-nine".