493134557 has 8 divisors (see below), whose sum is σ = 507927000. Its totient is φ = 478419264.

The previous prime is 493134541. The next prime is 493134581. The reversal of 493134557 is 755431394.

It can be written as a sum of positive squares in 4 ways, for example, as 115648516 + 377486041 = 10754^2 + 19429^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 493134557 - 2⁴ = 493134541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493134527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6182 + ... + 32007.

It is an arithmetic number, because the mean of its divisors is an integer number (63490875).

Almost surely, 2^493134557 is an apocalyptic number.

It is an amenable number.

493134557 is a deficient number, since it is larger than the sum of its proper divisors (14792443).

493134557 is a wasteful number, since it uses less digits than its factorization.

493134557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38575.

The product of its digits is 226800, while the sum is 41.

The square root of 493134557 is about 22206.6331756978. The cubic root of 493134557 is about 790.0510339301.

The spelling of 493134557 in words is "four hundred ninety-three million, one hundred thirty-four thousand, five hundred fifty-seven".