259642 has 8 divisors (see below), whose sum is σ = 392832. Its totient is φ = 128700.

The previous prime is 259639. The next prime is 259643. The reversal of 259642 is 246952.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 259642.

It is not an unprimeable number, because it can be changed into a prime (259643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234 + ... + 757.

It is an arithmetic number, because the mean of its divisors is an integer number (49104).

2²⁵⁹⁶⁴² is an apocalyptic number.

259642 is a deficient number, since it is larger than the sum of its proper divisors (133190).

259642 is a wasteful number, since it uses less digits than its factorization.

259642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124.

The product of its digits is 4320, while the sum is 28.

The square root of 259642 is about 509.5507825526. The cubic root of 259642 is about 63.7957354749.

The spelling of 259642 in words is "two hundred fifty-nine thousand, six hundred forty-two".