872243 has 2 divisors, whose sum is σ = 872244. Its totient is φ = 872242.

The previous prime is 872237. The next prime is 872251. The reversal of 872243 is 342278.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 872243 - 2⁴ = 872227 is a prime.

It is not a weakly prime, because it can be changed into another prime (872203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436121 + 436122.

It is an arithmetic number, because the mean of its divisors is an integer number (436122).

2⁸⁷²²⁴³ is an apocalyptic number.

872243 is a deficient number, since it is larger than the sum of its proper divisors (1).

872243 is an equidigital number, since it uses as much as digits as its factorization.

872243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 26.

The square root of 872243 is about 933.9395055356. The cubic root of 872243 is about 95.5459972311.

The spelling of 872243 in words is "eight hundred seventy-two thousand, two hundred forty-three".