259542 has 12 divisors (see below), whose sum is σ = 562380. Its totient is φ = 86508.

The previous prime is 259537. The next prime is 259547. The reversal of 259542 is 245952.

It is an interprime number because it is at equal distance from previous prime (259537) and next prime (259547).

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259547) by changing a digit.

259542 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 in 5 ways as a sum of consecutive naturals, for example, 7192 + ... + 7227.

It is an arithmetic number, because the mean of its divisors is an integer number (46865).

2²⁵⁹⁵⁴² is an apocalyptic number.

259542 is an abundant number, since it is smaller than the sum of its proper divisors (302838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

259542 is a wasteful number, since it uses less digits than its factorization.

259542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14427 (or 14424 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 259542 is about 509.4526474561. The cubic root of 259542 is about 63.7875442054.

The spelling of 259542 in words is "two hundred fifty-nine thousand, five hundred forty-two".