288449113 has 2 divisors, whose sum is σ = 288449114. Its totient is φ = 288449112.

The previous prime is 288449101. The next prime is 288449123. The reversal of 288449113 is 311944882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172843609 + 115605504 = 13147^2 + 10752^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-288449113 is a prime.

It is not a weakly prime, because it can be changed into another prime (288449123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144224556 + 144224557.

It is an arithmetic number, because the mean of its divisors is an integer number (144224557).

Almost surely, 2^288449113 is an apocalyptic number.

It is an amenable number.

288449113 is a deficient number, since it is larger than the sum of its proper divisors (1).

288449113 is an equidigital number, since it uses as much as digits as its factorization.

288449113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 40.

The square root of 288449113 is about 16983.7897125465. The cubic root of 288449113 is about 660.7285442878.

The spelling of 288449113 in words is "two hundred eighty-eight million, four hundred forty-nine thousand, one hundred thirteen".