288460961 has 2 divisors, whose sum is σ = 288460962. Its totient is φ = 288460960.

The previous prime is 288460957. The next prime is 288460987. The reversal of 288460961 is 169064882.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 253414561 + 35046400 = 15919^2 + 5920^2 .

It is a cyclic number.

It is not a de Polignac number, because 288460961 - 2² = 288460957 is a prime.

It is not a weakly prime, because it can be changed into another prime (288460951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144230480 + 144230481.

It is an arithmetic number, because the mean of its divisors is an integer number (144230481).

Almost surely, 2^288460961 is an apocalyptic number.

It is an amenable number.

288460961 is a deficient number, since it is larger than the sum of its proper divisors (1).

288460961 is an equidigital number, since it uses as much as digits as its factorization.

288460961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 288460961 is about 16984.1385121530. The cubic root of 288460961 is about 660.7375906028.

The spelling of 288460961 in words is "two hundred eighty-eight million, four hundred sixty thousand, nine hundred sixty-one".