212966539 has 2 divisors, whose sum is σ = 212966540. Its totient is φ = 212966538.

The previous prime is 212966527. The next prime is 212966549. The reversal of 212966539 is 935669212.

212966539 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 212966539 - 2⁹ = 212966027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212966495 and 212966504.

It is not a weakly prime, because it can be changed into another prime (212966519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106483269 + 106483270.

It is an arithmetic number, because the mean of its divisors is an integer number (106483270).

Almost surely, 2^212966539 is an apocalyptic number.

212966539 is a deficient number, since it is larger than the sum of its proper divisors (1).

212966539 is an equidigital number, since it uses as much as digits as its factorization.

212966539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 43.

The square root of 212966539 is about 14593.3731193306. The cubic root of 212966539 is about 597.1779877015.

The spelling of 212966539 in words is "two hundred twelve million, nine hundred sixty-six thousand, five hundred thirty-nine".