493991527 has 2 divisors, whose sum is σ = 493991528. Its totient is φ = 493991526.

The previous prime is 493991521. The next prime is 493991543. The reversal of 493991527 is 725199394.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 493991527 - 2¹⁹ = 493467239 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 (493991521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246995763 + 246995764.

It is an arithmetic number, because the mean of its divisors is an integer number (246995764).

Almost surely, 2^493991527 is an apocalyptic number.

493991527 is a deficient number, since it is larger than the sum of its proper divisors (1).

493991527 is an equidigital number, since it uses as much as digits as its factorization.

493991527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 612360, while the sum is 49.

The square root of 493991527 is about 22225.9201609292. The cubic root of 493991527 is about 790.5084197222.

The spelling of 493991527 in words is "four hundred ninety-three million, nine hundred ninety-one thousand, five hundred twenty-seven".