212424529 has 2 divisors, whose sum is σ = 212424530. Its totient is φ = 212424528.

The previous prime is 212424517. The next prime is 212424539. The reversal of 212424529 is 925424212.

212424529 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 can be written as a sum of positive squares in only one way, i.e., 194658304 + 17766225 = 13952^2 + 4215^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212424529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212424529.

It is not a weakly prime, because it can be changed into another prime (212424539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106212264 + 106212265.

It is an arithmetic number, because the mean of its divisors is an integer number (106212265).

Almost surely, 2^212424529 is an apocalyptic number.

It is an amenable number.

212424529 is a deficient number, since it is larger than the sum of its proper divisors (1).

212424529 is an equidigital number, since it uses as much as digits as its factorization.

212424529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 31.

The square root of 212424529 is about 14574.7908732853. The cubic root of 212424529 is about 596.6709418182.

The spelling of 212424529 in words is "two hundred twelve million, four hundred twenty-four thousand, five hundred twenty-nine".