288137089 has 4 divisors (see below), whose sum is σ = 288249156. Its totient is φ = 288025024.

The previous prime is 288137081. The next prime is 288137107. The reversal of 288137089 is 980731882.

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

It can be written as a sum of positive squares in 2 ways, for example, as 166410000 + 121727089 = 12900^2 + 11033^2 .

It is a cyclic number.

It is not a de Polignac number, because 288137089 - 2³ = 288137081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (288137081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52084 + ... + 57349.

It is an arithmetic number, because the mean of its divisors is an integer number (72062289).

Almost surely, 2^288137089 is an apocalyptic number.

It is an amenable number.

288137089 is a deficient number, since it is larger than the sum of its proper divisors (112067).

288137089 is a wasteful number, since it uses less digits than its factorization.

288137089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112066.

The product of its (nonzero) digits is 193536, while the sum is 46.

The square root of 288137089 is about 16974.6012913411. The cubic root of 288137089 is about 660.4902150802.

The spelling of 288137089 in words is "two hundred eighty-eight million, one hundred thirty-seven thousand, eighty-nine".