493540353 has 6 divisors (see below), whose sum is σ = 712891634. Its totient is φ = 329026896.

The previous prime is 493540339. The next prime is 493540363. The reversal of 493540353 is 353045394.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 298183824 + 195356529 = 17268^2 + 13977^2 .

It is not a de Polignac number, because 493540353 - 2⁵ = 493540321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (493540303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27418900 + ... + 27418917.

Almost surely, 2^493540353 is an apocalyptic number.

It is an amenable number.

493540353 is a deficient number, since it is larger than the sum of its proper divisors (219351281).

493540353 is a wasteful number, since it uses less digits than its factorization.

493540353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54837823 (or 54837820 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

The square root of 493540353 is about 22215.7681163628. The cubic root of 493540353 is about 790.2676831492.

The spelling of 493540353 in words is "four hundred ninety-three million, five hundred forty thousand, three hundred fifty-three".