288425849 has 4 divisors (see below), whose sum is σ = 288805620. Its totient is φ = 288046080.

The previous prime is 288425827. The next prime is 288425861. The reversal of 288425849 is 948524882.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 948524882 = 2 ⋅474262441.

It can be written as a sum of positive squares in 2 ways, for example, as 138485824 + 149940025 = 11768^2 + 12245^2 .

It is a cyclic number.

It is not a de Polignac number, because 288425849 - 2¹² = 288421753 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 288425797 and 288425806.

It is not an unprimeable number, because it can be changed into a prime (288425869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188744 + ... + 190265.

It is an arithmetic number, because the mean of its divisors is an integer number (72201405).

Almost surely, 2^288425849 is an apocalyptic number.

It is an amenable number.

288425849 is a deficient number, since it is larger than the sum of its proper divisors (379771).

288425849 is an equidigital number, since it uses as much as digits as its factorization.

288425849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379770.

The product of its digits is 1474560, while the sum is 50.

The square root of 288425849 is about 16983.1048103696. The cubic root of 288425849 is about 660.7107807824.

The spelling of 288425849 in words is "two hundred eighty-eight million, four hundred twenty-five thousand, eight hundred forty-nine".