288424025 has 36 divisors (see below), whose sum is σ = 379134588. Its totient is φ = 217620480.

The previous prime is 288423997. The next prime is 288424051. The reversal of 288424025 is 520424882.

It can be written as a sum of positive squares in 6 ways, for example, as 92871769 + 195552256 = 9637^2 + 13984^2 .

It is not a de Polignac number, because 288424025 - 2²⁶ = 221315161 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1494329 + ... + 1494521.

Almost surely, 2^288424025 is an apocalyptic number.

288424025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

288424025 is a deficient number, since it is larger than the sum of its proper divisors (90710563).

288424025 is a wasteful number, since it uses less digits than its factorization.

288424025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 35.

The square root of 288424025 is about 16983.0511098566. The cubic root of 288424025 is about 660.7093880050.

The spelling of 288424025 in words is "two hundred eighty-eight million, four hundred twenty-four thousand, twenty-five".