812253 has 16 divisors (see below), whose sum is σ = 1189440. Its totient is φ = 489984.

The previous prime is 812249. The next prime is 812257. The reversal of 812253 is 352218.

It is an interprime number because it is at equal distance from previous prime (812249) and next prime (812257).

It is not a de Polignac number, because 812253 - 2² = 812249 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812257) 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 15 ways as a sum of consecutive naturals, for example, 2125 + ... + 2477.

It is an arithmetic number, because the mean of its divisors is an integer number (74340).

2⁸¹²²⁵³ is an apocalyptic number.

It is an amenable number.

812253 is a deficient number, since it is larger than the sum of its proper divisors (377187).

812253 is a wasteful number, since it uses less digits than its factorization.

812253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428.

The product of its digits is 480, while the sum is 21.

The square root of 812253 is about 901.2507975031. The cubic root of 812253 is about 93.3033222672.

The spelling of 812253 in words is "eight hundred twelve thousand, two hundred fifty-three".