493057 has 4 divisors (see below), whose sum is σ = 495360. Its totient is φ = 490756.

The previous prime is 493049. The next prime is 493067. The reversal of 493057 is 750394.

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 493057 - 2³ = 493049 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (493027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 793 + ... + 1270.

It is an arithmetic number, because the mean of its divisors is an integer number (123840).

2⁴⁹³⁰⁵⁷ is an apocalyptic number.

It is an amenable number.

493057 is a deficient number, since it is larger than the sum of its proper divisors (2303).

493057 is a wasteful number, since it uses less digits than its factorization.

493057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2302.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 493057 is about 702.1801763080. The cubic root of 493057 is about 79.0009613727. Note that the first 3 decimals are identical.

The spelling of 493057 in words is "four hundred ninety-three thousand, fifty-seven".