289375 has 10 divisors (see below), whose sum is σ = 362384. Its totient is φ = 231000.

The previous prime is 289369. The next prime is 289381. The reversal of 289375 is 573982.

It is an interprime number because it is at equal distance from previous prime (289369) and next prime (289381).

It is not a de Polignac number, because 289375 - 2⁵ = 289343 is a prime.

It is a Duffinian number.

289375 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 289375.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 394 + ... + 856.

2²⁸⁹³⁷⁵ is an apocalyptic number.

289375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

289375 is a deficient number, since it is larger than the sum of its proper divisors (73009).

289375 is an frugal number, since it uses more digits than its factorization.

289375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483 (or 468 counting only the distinct ones).

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

The square root of 289375 is about 537.9358697838. The cubic root of 289375 is about 66.1434742306.

The spelling of 289375 in words is "two hundred eighty-nine thousand, three hundred seventy-five".