515089 has 2 divisors, whose sum is σ = 515090. Its totient is φ = 515088.

The previous prime is 515087. The next prime is 515111. The reversal of 515089 is 980515.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 321489 + 193600 = 567^2 + 440^2 .

It is a cyclic number.

It is not a de Polignac number, because 515089 - 2¹ = 515087 is a prime.

Together with 515087, it forms a pair of twin primes.

It is a Chen prime.

515089 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (515087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257544 + 257545.

It is an arithmetic number, because the mean of its divisors is an integer number (257545).

2⁵¹⁵⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

515089 is a deficient number, since it is larger than the sum of its proper divisors (1).

515089 is an equidigital number, since it uses as much as digits as its factorization.

515089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 515089 is about 717.6970112798. The cubic root of 515089 is about 80.1605629453.

The spelling of 515089 in words is "five hundred fifteen thousand, eighty-nine".