288695401 has 2 divisors, whose sum is σ = 288695402. Its totient is φ = 288695400.

The previous prime is 288695369. The next prime is 288695417. The reversal of 288695401 is 104596882.

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., 199487376 + 89208025 = 14124^2 + 9445^2 .

It is a cyclic number.

It is not a de Polignac number, because 288695401 - 2⁵ = 288695369 is a prime.

It is not a weakly prime, because it can be changed into another prime (288690401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144347700 + 144347701.

It is an arithmetic number, because the mean of its divisors is an integer number (144347701).

Almost surely, 2^288695401 is an apocalyptic number.

It is an amenable number.

288695401 is a deficient number, since it is larger than the sum of its proper divisors (1).

288695401 is an equidigital number, since it uses as much as digits as its factorization.

288695401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 288695401 is about 16991.0388440495. The cubic root of 288695401 is about 660.9165418832.

The spelling of 288695401 in words is "two hundred eighty-eight million, six hundred ninety-five thousand, four hundred one".