288376225 has 6 divisors (see below), whose sum is σ = 357586550. Its totient is φ = 230700960.

The previous prime is 288376217. The next prime is 288376267. The reversal of 288376225 is 522673882.

It can be written as a sum of positive squares in 3 ways, for example, as 20857489 + 267518736 = 4567^2 + 16356^2 .

It is not a de Polignac number, because 288376225 - 2³ = 288376217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5767500 + ... + 5767549.

Almost surely, 2^288376225 is an apocalyptic number.

288376225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

288376225 is a deficient number, since it is larger than the sum of its proper divisors (69210325).

288376225 is a wasteful number, since it uses less digits than its factorization.

288376225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11535059 (or 11535054 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 288376225 is about 16981.6437661376. The cubic root of 288376225 is about 660.6728865918.

The spelling of 288376225 in words is "two hundred eighty-eight million, three hundred seventy-six thousand, two hundred twenty-five".