493401263 has 2 divisors, whose sum is σ = 493401264. Its totient is φ = 493401262.

The previous prime is 493401241. The next prime is 493401283. The reversal of 493401263 is 362104394.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 493401263 - 2¹² = 493397167 is a prime.

It is a Sophie Germain prime.

It is equal to p_26026169 and since 493401263 and 26026169 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493401203) 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, 246700631 + 246700632.

It is an arithmetic number, because the mean of its divisors is an integer number (246700632).

Almost surely, 2^493401263 is an apocalyptic number.

493401263 is a deficient number, since it is larger than the sum of its proper divisors (1).

493401263 is an equidigital number, since it uses as much as digits as its factorization.

493401263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 493401263 is about 22212.6374615893. The cubic root of 493401263 is about 790.1934381837.

The spelling of 493401263 in words is "four hundred ninety-three million, four hundred one thousand, two hundred sixty-three".