288675397 has 2 divisors, whose sum is σ = 288675398. Its totient is φ = 288675396.

The previous prime is 288675349. The next prime is 288675437. The reversal of 288675397 is 793576882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227225476 + 61449921 = 15074^2 + 7839^2 .

It is a cyclic number.

It is not a de Polignac number, because 288675397 - 2¹¹ = 288673349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (288675097) 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 as a sum of consecutive naturals, namely, 144337698 + 144337699.

It is an arithmetic number, because the mean of its divisors is an integer number (144337699).

Almost surely, 2^288675397 is an apocalyptic number.

It is an amenable number.

288675397 is a deficient number, since it is larger than the sum of its proper divisors (1).

288675397 is an equidigital number, since it uses as much as digits as its factorization.

288675397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5080320, while the sum is 55.

The square root of 288675397 is about 16990.4501706105. The cubic root of 288675397 is about 660.9012763359.

The spelling of 288675397 in words is "two hundred eighty-eight million, six hundred seventy-five thousand, three hundred ninety-seven".