862259 has 2 divisors, whose sum is σ = 862260. Its totient is φ = 862258.

The previous prime is 862249. The next prime is 862261. The reversal of 862259 is 952268.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-862259 is a prime.

Together with 862261, it forms a pair of twin primes.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 862259.

It is not a weakly prime, because it can be changed into another prime (862219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431129 + 431130.

It is an arithmetic number, because the mean of its divisors is an integer number (431130).

2⁸⁶²²⁵⁹ is an apocalyptic number.

862259 is a deficient number, since it is larger than the sum of its proper divisors (1).

862259 is an equidigital number, since it uses as much as digits as its factorization.

862259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 32.

The square root of 862259 is about 928.5790219470. The cubic root of 862259 is about 95.1800463677.

Subtracting 862259 from its reverse (952268), we obtain a palindrome (90009).

The spelling of 862259 in words is "eight hundred sixty-two thousand, two hundred fifty-nine".