288082381 has 2 divisors, whose sum is σ = 288082382. Its totient is φ = 288082380.

The previous prime is 288082373. The next prime is 288082387. The reversal of 288082381 is 183280882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 226773481 + 61308900 = 15059^2 + 7830^2 .

It is a cyclic number.

It is not a de Polignac number, because 288082381 - 2³ = 288082373 is a prime.

It is a super-2 number, since 2×288082381² = 165982916485258322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (288082387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144041190 + 144041191.

It is an arithmetic number, because the mean of its divisors is an integer number (144041191).

Almost surely, 2^288082381 is an apocalyptic number.

It is an amenable number.

288082381 is a deficient number, since it is larger than the sum of its proper divisors (1).

288082381 is an equidigital number, since it uses as much as digits as its factorization.

288082381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49152, while the sum is 40.

The square root of 288082381 is about 16972.9897484209. The cubic root of 288082381 is about 660.4484104587.

The spelling of 288082381 in words is "two hundred eighty-eight million, eighty-two thousand, three hundred eighty-one".