212533471 has 2 divisors, whose sum is σ = 212533472. Its totient is φ = 212533470.

The previous prime is 212533423. The next prime is 212533523. The reversal of 212533471 is 174335212.

212533471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212533471 is a prime.

It is a super-3 number, since 3×212533471³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212533421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106266735 + 106266736.

It is an arithmetic number, because the mean of its divisors is an integer number (106266736).

Almost surely, 2^212533471 is an apocalyptic number.

212533471 is a deficient number, since it is larger than the sum of its proper divisors (1).

212533471 is an equidigital number, since it uses as much as digits as its factorization.

212533471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 28.

The square root of 212533471 is about 14578.5277377381. The cubic root of 212533471 is about 596.7729253588.

Adding to 212533471 its reverse (174335212), we get a palindrome (386868683).

The spelling of 212533471 in words is "two hundred twelve million, five hundred thirty-three thousand, four hundred seventy-one".