493087547 has 4 divisors (see below), whose sum is σ = 514526160. Its totient is φ = 471648936.

The previous prime is 493087531. The next prime is 493087549. The reversal of 493087547 is 745780394.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 745780394 = 2 ⋅372890197.

It is a cyclic number.

It is not a de Polignac number, because 493087547 - 2⁴ = 493087531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (493087549) 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, 10719272 + ... + 10719317.

It is an arithmetic number, because the mean of its divisors is an integer number (128631540).

Almost surely, 2^493087547 is an apocalyptic number.

493087547 is a deficient number, since it is larger than the sum of its proper divisors (21438613).

493087547 is a wasteful number, since it uses less digits than its factorization.

493087547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21438612.

The product of its (nonzero) digits is 846720, while the sum is 47.

The square root of 493087547 is about 22205.5746829484. The cubic root of 493087547 is about 790.0259282202.

The spelling of 493087547 in words is "four hundred ninety-three million, eighty-seven thousand, five hundred forty-seven".