266304047 has 2 divisors, whose sum is σ = 266304048. Its totient is φ = 266304046.

The previous prime is 266303977. The next prime is 266304083. The reversal of 266304047 is 740403662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 266304047 - 2¹⁴ = 266287663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266301047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133152023 + 133152024.

It is an arithmetic number, because the mean of its divisors is an integer number (133152024).

Almost surely, 2^266304047 is an apocalyptic number.

266304047 is a deficient number, since it is larger than the sum of its proper divisors (1).

266304047 is an equidigital number, since it uses as much as digits as its factorization.

266304047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 266304047 is about 16318.8249270589. The cubic root of 266304047 is about 643.3677028598.

The spelling of 266304047 in words is "two hundred sixty-six million, three hundred four thousand, forty-seven".