288521341 has 2 divisors, whose sum is σ = 288521342. Its totient is φ = 288521340.

The previous prime is 288521293. The next prime is 288521381. The reversal of 288521341 is 143125882.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148596100 + 139925241 = 12190^2 + 11829^2 .

It is a cyclic number.

It is not a de Polignac number, because 288521341 - 2⁹ = 288520829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 288521297 and 288521306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (288521381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144260670 + 144260671.

It is an arithmetic number, because the mean of its divisors is an integer number (144260671).

Almost surely, 2^288521341 is an apocalyptic number.

It is an amenable number.

288521341 is a deficient number, since it is larger than the sum of its proper divisors (1).

288521341 is an equidigital number, since it uses as much as digits as its factorization.

288521341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15360, while the sum is 34.

The square root of 288521341 is about 16985.9159599946. The cubic root of 288521341 is about 660.7836887557.

The spelling of 288521341 in words is "two hundred eighty-eight million, five hundred twenty-one thousand, three hundred forty-one".