494953 has 4 divisors (see below), whose sum is σ = 497988. Its totient is φ = 491920.

The previous prime is 494939. The next prime is 494959. The reversal of 494953 is 359494.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 374544 + 120409 = 612^2 + 347^2 .

It is a cyclic number.

It is not a de Polignac number, because 494953 - 2⁹ = 494441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1258 + ... + 1603.

It is an arithmetic number, because the mean of its divisors is an integer number (124497).

2⁴⁹⁴⁹⁵³ is an apocalyptic number.

It is an amenable number.

494953 is a deficient number, since it is larger than the sum of its proper divisors (3035).

494953 is a wasteful number, since it uses less digits than its factorization.

494953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3034.

The product of its digits is 19440, while the sum is 34.

The square root of 494953 is about 703.5289617351. The cubic root of 494953 is about 79.1020952082.

The spelling of 494953 in words is "four hundred ninety-four thousand, nine hundred fifty-three".