858233 has 2 divisors, whose sum is σ = 858234. Its totient is φ = 858232.

The previous prime is 858223. The next prime is 858239. The reversal of 858233 is 332858.

858233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 719104 + 139129 = 848^2 + 373^2 .

It is a cyclic number.

It is not a de Polignac number, because 858233 - 2⁴ = 858217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 858196 and 858205.

It is not a weakly prime, because it can be changed into another prime (858239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 429116 + 429117.

It is an arithmetic number, because the mean of its divisors is an integer number (429117).

2⁸⁵⁸²³³ is an apocalyptic number.

It is an amenable number.

858233 is a deficient number, since it is larger than the sum of its proper divisors (1).

858233 is an equidigital number, since it uses as much as digits as its factorization.

858233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 29.

The square root of 858233 is about 926.4086571271. The cubic root of 858233 is about 95.0316791856.

The spelling of 858233 in words is "eight hundred fifty-eight thousand, two hundred thirty-three".