212052539 has 2 divisors, whose sum is σ = 212052540. Its totient is φ = 212052538.

The previous prime is 212052527. The next prime is 212052563. The reversal of 212052539 is 935250212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212052539 - 2²⁰ = 211003963 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (212052569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106026269 + 106026270.

It is an arithmetic number, because the mean of its divisors is an integer number (106026270).

Almost surely, 2^212052539 is an apocalyptic number.

212052539 is a deficient number, since it is larger than the sum of its proper divisors (1).

212052539 is an equidigital number, since it uses as much as digits as its factorization.

212052539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 212052539 is about 14562.0238634607. The cubic root of 212052539 is about 596.3224489345.

The spelling of 212052539 in words is "two hundred twelve million, fifty-two thousand, five hundred thirty-nine".