289551 has 4 divisors (see below), whose sum is σ = 386072. Its totient is φ = 193032.

The previous prime is 289543. The next prime is 289559. The reversal of 289551 is 155982.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (289543) and next prime (289559).

It is not a de Polignac number, because 289551 - 2³ = 289543 is a prime.

It is a D-number.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 289551.

It is not an unprimeable number, because it can be changed into a prime (289559) 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, 48256 + ... + 48261.

It is an arithmetic number, because the mean of its divisors is an integer number (96518).

2²⁸⁹⁵⁵¹ is an apocalyptic number.

289551 is a deficient number, since it is larger than the sum of its proper divisors (96521).

289551 is an equidigital number, since it uses as much as digits as its factorization.

289551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96520.

The product of its digits is 3600, while the sum is 30.

The square root of 289551 is about 538.0994331906. The cubic root of 289551 is about 66.1568811618.

The spelling of 289551 in words is "two hundred eighty-nine thousand, five hundred fifty-one".