289489513 has 8 divisors (see below), whose sum is σ = 303943680. Its totient is φ = 275333520.

The previous prime is 289489493. The next prime is 289489547. The reversal of 289489513 is 315984982.

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

It is a cyclic number.

It is not a de Polignac number, because 289489513 - 2⁹ = 289489001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (289489573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72553 + ... + 76438.

It is an arithmetic number, because the mean of its divisors is an integer number (37992960).

Almost surely, 2^289489513 is an apocalyptic number.

It is an amenable number.

289489513 is a deficient number, since it is larger than the sum of its proper divisors (14454167).

289489513 is a wasteful number, since it uses less digits than its factorization.

289489513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149087.

The product of its digits is 622080, while the sum is 49.

The square root of 289489513 is about 17014.3913496781. The cubic root of 289489513 is about 661.5219796136.

The spelling of 289489513 in words is "two hundred eighty-nine million, four hundred eighty-nine thousand, five hundred thirteen".