212875447 has 2 divisors, whose sum is σ = 212875448. Its totient is φ = 212875446.

The previous prime is 212875427. The next prime is 212875463. The reversal of 212875447 is 744578212.

212875447 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 is a cyclic number.

It is not a de Polignac number, because 212875447 - 2¹¹ = 212873399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212875427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106437723 + 106437724.

It is an arithmetic number, because the mean of its divisors is an integer number (106437724).

Almost surely, 2^212875447 is an apocalyptic number.

212875447 is a deficient number, since it is larger than the sum of its proper divisors (1).

212875447 is an equidigital number, since it uses as much as digits as its factorization.

212875447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 125440, while the sum is 40.

The square root of 212875447 is about 14590.2517798700. The cubic root of 212875447 is about 597.0928320784.

The spelling of 212875447 in words is "two hundred twelve million, eight hundred seventy-five thousand, four hundred forty-seven".