867259 has 2 divisors, whose sum is σ = 867260. Its totient is φ = 867258.

The previous prime is 867257. The next prime is 867263. The reversal of 867259 is 952768.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 867259 - 2¹ = 867257 is a prime.

Together with 867257, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (867253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 433629 + 433630.

It is an arithmetic number, because the mean of its divisors is an integer number (433630).

2⁸⁶⁷²⁵⁹ is an apocalyptic number.

867259 is a deficient number, since it is larger than the sum of its proper divisors (1).

867259 is an equidigital number, since it uses as much as digits as its factorization.

867259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 37.

The square root of 867259 is about 931.2674159445. The cubic root of 867259 is about 95.3636661049.

The spelling of 867259 in words is "eight hundred sixty-seven thousand, two hundred fifty-nine".