288560749 has 2 divisors, whose sum is σ = 288560750. Its totient is φ = 288560748.

The previous prime is 288560731. The next prime is 288560761. The reversal of 288560749 is 947065882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 281232900 + 7327849 = 16770^2 + 2707^2 .

It is a cyclic number.

It is not a de Polignac number, because 288560749 - 2¹⁹ = 288036461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (288560719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144280374 + 144280375.

It is an arithmetic number, because the mean of its divisors is an integer number (144280375).

Almost surely, 2^288560749 is an apocalyptic number.

It is an amenable number.

288560749 is a deficient number, since it is larger than the sum of its proper divisors (1).

288560749 is an equidigital number, since it uses as much as digits as its factorization.

288560749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 49.

The square root of 288560749 is about 16987.0759402553. The cubic root of 288560749 is about 660.8137720048.

The spelling of 288560749 in words is "two hundred eighty-eight million, five hundred sixty thousand, seven hundred forty-nine".