862273 has 2 divisors, whose sum is σ = 862274. Its totient is φ = 862272.

The previous prime is 862261. The next prime is 862283. The reversal of 862273 is 372268.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 861184 + 1089 = 928^2 + 33^2 .

It is a cyclic number.

It is not a de Polignac number, because 862273 - 2⁵ = 862241 is a prime.

It is a super-3 number, since 3×862273³ = 1923338021365021251, which contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (862283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431136 + 431137.

It is an arithmetic number, because the mean of its divisors is an integer number (431137).

2⁸⁶²²⁷³ is an apocalyptic number.

It is an amenable number.

862273 is a deficient number, since it is larger than the sum of its proper divisors (1).

862273 is an equidigital number, since it uses as much as digits as its factorization.

862273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 28.

The square root of 862273 is about 928.5865603163. The cubic root of 862273 is about 95.1805614927.

The spelling of 862273 in words is "eight hundred sixty-two thousand, two hundred seventy-three".