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212316527 is a prime number
BaseRepresentation
bin11001010011110…
…11000101101111
3112210111210112002
430221323011233
5413323112102
633022402515
75155442423
oct1451730557
9483453462
10212316527
11a9935605
125b13043b
1334caa3a7
14202aab83
151398d902
hexca7b16f

212316527 has 2 divisors, whose sum is σ = 212316528. Its totient is φ = 212316526.

The previous prime is 212316497. The next prime is 212316541. The reversal of 212316527 is 725613212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212316527 - 212 = 212312431 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212316527.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212316227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106158263 + 106158264.

It is an arithmetic number, because the mean of its divisors is an integer number (106158264).

Almost surely, 2212316527 is an apocalyptic number.

212316527 is a deficient number, since it is larger than the sum of its proper divisors (1).

212316527 is an equidigital number, since it uses as much as digits as its factorization.

212316527 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 29.

The square root of 212316527 is about 14571.0853061809. The cubic root of 212316527 is about 596.5698038129.

Adding to 212316527 its reverse (725613212), we get a palindrome (937929739).

The spelling of 212316527 in words is "two hundred twelve million, three hundred sixteen thousand, five hundred twenty-seven".