213792563 has 2 divisors, whose sum is σ = 213792564. Its totient is φ = 213792562.

The previous prime is 213792533. The next prime is 213792571. The reversal of 213792563 is 365297312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213792563 - 2⁶ = 213792499 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (213792533) 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, 106896281 + 106896282.

It is an arithmetic number, because the mean of its divisors is an integer number (106896282).

Almost surely, 2^213792563 is an apocalyptic number.

213792563 is a deficient number, since it is larger than the sum of its proper divisors (1).

213792563 is an equidigital number, since it uses as much as digits as its factorization.

213792563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 38.

The square root of 213792563 is about 14621.6470686445. The cubic root of 213792563 is about 597.9490743462.

The spelling of 213792563 in words is "two hundred thirteen million, seven hundred ninety-two thousand, five hundred sixty-three".