493516537 has 4 divisors (see below), whose sum is σ = 493727056. Its totient is φ = 493306020.

The previous prime is 493516531. The next prime is 493516561. The reversal of 493516537 is 735615394.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 493516537 - 2¹⁹ = 492992249 is a prime.

It is a super-3 number, since 3×493516537³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 493516493 and 493516502.

It is not an unprimeable number, because it can be changed into a prime (493516531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101703 + ... + 106444.

It is an arithmetic number, because the mean of its divisors is an integer number (123431764).

Almost surely, 2^493516537 is an apocalyptic number.

It is an amenable number.

493516537 is a deficient number, since it is larger than the sum of its proper divisors (210519).

493516537 is a wasteful number, since it uses less digits than its factorization.

493516537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210518.

The product of its digits is 340200, while the sum is 43.

The square root of 493516537 is about 22215.2320942186. The cubic root of 493516537 is about 790.2549713768.

The spelling of 493516537 in words is "four hundred ninety-three million, five hundred sixteen thousand, five hundred thirty-seven".