491252 has 12 divisors (see below), whose sum is σ = 865536. Its totient is φ = 243960.

The previous prime is 491251. The next prime is 491261. The reversal of 491252 is 252194.

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 3 ways as a sum of consecutive naturals, for example, 443 + ... + 1085.

It is an arithmetic number, because the mean of its divisors is an integer number (72128).

2⁴⁹¹²⁵² is an apocalyptic number.

It is an amenable number.

491252 is a deficient number, since it is larger than the sum of its proper divisors (374284).

491252 is a wasteful number, since it uses less digits than its factorization.

491252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838 (or 836 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 491252 is about 700.8937151951. The cubic root of 491252 is about 78.9044403500.

The spelling of 491252 in words is "four hundred ninety-one thousand, two hundred fifty-two".