863253 has 6 divisors (see below), whose sum is σ = 1246934. Its totient is φ = 575496.

The previous prime is 863251. The next prime is 863279. The reversal of 863253 is 352368.

It can be written as a sum of positive squares in only one way, i.e., 762129 + 101124 = 873^2 + 318^2 .

It is not a de Polignac number, because 863253 - 2¹ = 863251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47950 + ... + 47967.

2⁸⁶³²⁵³ is an apocalyptic number.

It is an amenable number.

863253 is a deficient number, since it is larger than the sum of its proper divisors (383681).

863253 is a wasteful number, since it uses less digits than its factorization.

863253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95923 (or 95920 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 863253 is about 929.1140941779. The cubic root of 863253 is about 95.2166063938.

The spelling of 863253 in words is "eight hundred sixty-three thousand, two hundred fifty-three".