213254047 has 2 divisors, whose sum is σ = 213254048. Its totient is φ = 213254046.

The previous prime is 213254039. The next prime is 213254077. The reversal of 213254047 is 740452312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213254047 - 2³ = 213254039 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213254077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106627023 + 106627024.

It is an arithmetic number, because the mean of its divisors is an integer number (106627024).

Almost surely, 2^213254047 is an apocalyptic number.

213254047 is a deficient number, since it is larger than the sum of its proper divisors (1).

213254047 is an equidigital number, since it uses as much as digits as its factorization.

213254047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 213254047 is about 14603.2204324936. The cubic root of 213254047 is about 597.4465999206.

The spelling of 213254047 in words is "two hundred thirteen million, two hundred fifty-four thousand, forty-seven".