288354361 has 3 divisors (see below), whose sum is σ = 288371343. Its totient is φ = 288337380.

The previous prime is 288354301. The next prime is 288354373. The reversal of 288354361 is 163453882.

The square root of 288354361 is 16981.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 163453882 = 2 ⋅81726941.

It can be written as a sum of positive squares in only one way, i.e., 282878761 + 5475600 = 16819^2 + 2340^2 .

It is not a de Polignac number, because 288354361 - 2⁷ = 288354233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (288354301) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 8491 + ... + 25471.

It is an arithmetic number, because the mean of its divisors is an integer number (96123781).

Almost surely, 2^288354361 is an apocalyptic number.

288354361 is the 16981-st square number.

288354361 is the 8491-st centered octagonal number.

It is an amenable number.

288354361 is a deficient number, since it is larger than the sum of its proper divisors (16982).

288354361 is an frugal number, since it uses more digits than its factorization.

288354361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33962 (or 16981 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The cubic root of 288354361 is about 660.6561892871.

The spelling of 288354361 in words is "two hundred eighty-eight million, three hundred fifty-four thousand, three hundred sixty-one".