212713547 has 2 divisors, whose sum is σ = 212713548. Its totient is φ = 212713546.

The previous prime is 212713519. The next prime is 212713559. The reversal of 212713547 is 745317212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212713547 - 2¹⁸ = 212451403 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (212713517) 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, 106356773 + 106356774.

It is an arithmetic number, because the mean of its divisors is an integer number (106356774).

Almost surely, 2^212713547 is an apocalyptic number.

212713547 is a deficient number, since it is larger than the sum of its proper divisors (1).

212713547 is an equidigital number, since it uses as much as digits as its factorization.

212713547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11760, while the sum is 32.

The square root of 212713547 is about 14584.7024995370. The cubic root of 212713547 is about 596.9414229671.

The spelling of 212713547 in words is "two hundred twelve million, seven hundred thirteen thousand, five hundred forty-seven".