812473 has 2 divisors, whose sum is σ = 812474. Its totient is φ = 812472.

The previous prime is 812467. The next prime is 812477. The reversal of 812473 is 374218.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 753424 + 59049 = 868^2 + 243^2 .

It is a cyclic number.

It is not a de Polignac number, because 812473 - 2⁹ = 811961 is a prime.

It is a super-2 number, since 2×812473² = 1320224751458, which contains 22 as substring.

It is a nialpdrome in base 12.

It is not a weakly prime, because it can be changed into another prime (812477) 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 as a sum of consecutive naturals, namely, 406236 + 406237.

It is an arithmetic number, because the mean of its divisors is an integer number (406237).

2⁸¹²⁴⁷³ is an apocalyptic number.

It is an amenable number.

812473 is a deficient number, since it is larger than the sum of its proper divisors (1).

812473 is an equidigital number, since it uses as much as digits as its factorization.

812473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 25.

The square root of 812473 is about 901.3728418363. The cubic root of 812473 is about 93.3117452905.

The spelling of 812473 in words is "eight hundred twelve thousand, four hundred seventy-three".