289025 has 12 divisors (see below), whose sum is σ = 391344. Its totient is φ = 210000.

The previous prime is 289021. The next prime is 289031. The reversal of 289025 is 520982.

It is not a de Polignac number, because 289025 - 2² = 289021 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 288985 and 289003.

It is not an unprimeable number, because it can be changed into a prime (289021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 251 + ... + 800.

It is an arithmetic number, because the mean of its divisors is an integer number (32612).

2²⁸⁹⁰²⁵ is an apocalyptic number.

289025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

289025 is a deficient number, since it is larger than the sum of its proper divisors (102319).

289025 is a wasteful number, since it uses less digits than its factorization.

289025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072 (or 1067 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 289025 is about 537.6104537674. The cubic root of 289025 is about 66.1167965567.

The spelling of 289025 in words is "two hundred eighty-nine thousand, twenty-five".