288366825 has 24 divisors (see below), whose sum is σ = 484590016. Its totient is φ = 151272000.

The previous prime is 288366787. The next prime is 288366829. The reversal of 288366825 is 528663882.

It is not a de Polignac number, because 288366825 - 2⁷ = 288366697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (288366829) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26941 + ... + 36090.

Almost surely, 2^288366825 is an apocalyptic number.

288366825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

288366825 is a deficient number, since it is larger than the sum of its proper divisors (196223191).

288366825 is a wasteful number, since it uses less digits than its factorization.

288366825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63105 (or 63100 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 48.

The square root of 288366825 is about 16981.3669944442. The cubic root of 288366825 is about 660.6657080150.

The spelling of 288366825 in words is "two hundred eighty-eight million, three hundred sixty-six thousand, eight hundred twenty-five".