491253 has 16 divisors (see below), whose sum is σ = 758400. Its totient is φ = 277056.

The previous prime is 491251. The next prime is 491261. The reversal of 491253 is 352194.

It is not a de Polignac number, because 491253 - 2¹ = 491251 is a prime.

491253 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3051 + ... + 3207.

It is an arithmetic number, because the mean of its divisors is an integer number (47400).

2⁴⁹¹²⁵³ is an apocalyptic number.

It is an amenable number.

491253 is a deficient number, since it is larger than the sum of its proper divisors (267147).

491253 is a wasteful number, since it uses less digits than its factorization.

491253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316.

The product of its digits is 1080, while the sum is 24.

The square root of 491253 is about 700.8944285697. The cubic root of 491253 is about 78.9044938896.

The spelling of 491253 in words is "four hundred ninety-one thousand, two hundred fifty-three".