212601563 has 2 divisors, whose sum is σ = 212601564. Its totient is φ = 212601562.

The previous prime is 212601553. The next prime is 212601569. The reversal of 212601563 is 365106212.

212601563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212601563 - 2⁸ = 212601307 is a prime.

It is not a weakly prime, because it can be changed into another prime (212601569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106300781 + 106300782.

It is an arithmetic number, because the mean of its divisors is an integer number (106300782).

Almost surely, 2^212601563 is an apocalyptic number.

212601563 is a deficient number, since it is larger than the sum of its proper divisors (1).

212601563 is an equidigital number, since it uses as much as digits as its factorization.

212601563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 212601563 is about 14580.8629031344. The cubic root of 212601563 is about 596.8366504166.

Adding to 212601563 its reverse (365106212), we get a palindrome (577707775).

The spelling of 212601563 in words is "two hundred twelve million, six hundred one thousand, five hundred sixty-three".