259387 has 2 divisors, whose sum is σ = 259388. Its totient is φ = 259386.

The previous prime is 259381. The next prime is 259397. The reversal of 259387 is 783952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 259387 - 2³ = 259379 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (259381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129693 + 129694.

It is an arithmetic number, because the mean of its divisors is an integer number (129694).

2²⁵⁹³⁸⁷ is an apocalyptic number.

259387 is a deficient number, since it is larger than the sum of its proper divisors (1).

259387 is an equidigital number, since it uses as much as digits as its factorization.

259387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 34.

The square root of 259387 is about 509.3005006870. The cubic root of 259387 is about 63.7748435787.

It can be divided in two parts, 259 and 387, that added together give a palindrome (646).

The spelling of 259387 in words is "two hundred fifty-nine thousand, three hundred eighty-seven".