493206563 has 2 divisors, whose sum is σ = 493206564. Its totient is φ = 493206562.

The previous prime is 493206523. The next prime is 493206569. The reversal of 493206563 is 365602394.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 493206563 - 2²⁴ = 476429347 is a prime.

It is not a weakly prime, because it can be changed into another prime (493206569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246603281 + 246603282.

It is an arithmetic number, because the mean of its divisors is an integer number (246603282).

Almost surely, 2^493206563 is an apocalyptic number.

493206563 is a deficient number, since it is larger than the sum of its proper divisors (1).

493206563 is an equidigital number, since it uses as much as digits as its factorization.

493206563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 38.

The square root of 493206563 is about 22208.2543888528. The cubic root of 493206563 is about 790.0894856706.

The spelling of 493206563 in words is "four hundred ninety-three million, two hundred six thousand, five hundred sixty-three".