212275433 has 2 divisors, whose sum is σ = 212275434. Its totient is φ = 212275432.

The previous prime is 212275421. The next prime is 212275463. The reversal of 212275433 is 334572212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 174979984 + 37295449 = 13228^2 + 6107^2 .

It is a cyclic number.

It is not a de Polignac number, because 212275433 - 2⁸ = 212275177 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 212275396 and 212275405.

It is not a weakly prime, because it can be changed into another prime (212275463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106137716 + 106137717.

It is an arithmetic number, because the mean of its divisors is an integer number (106137717).

Almost surely, 2^212275433 is an apocalyptic number.

It is an amenable number.

212275433 is a deficient number, since it is larger than the sum of its proper divisors (1).

212275433 is an equidigital number, since it uses as much as digits as its factorization.

212275433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 29.

The square root of 212275433 is about 14569.6751164877. The cubic root of 212275433 is about 596.5313125067.

The spelling of 212275433 in words is "two hundred twelve million, two hundred seventy-five thousand, four hundred thirty-three".