288057641 has 4 divisors (see below), whose sum is σ = 288163284. Its totient is φ = 287952000.

The previous prime is 288057631. The next prime is 288057643. The reversal of 288057641 is 146750882.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 232867600 + 55190041 = 15260^2 + 7429^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-288057641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (288057643) 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, 48620 + ... + 54221.

It is an arithmetic number, because the mean of its divisors is an integer number (72040821).

Almost surely, 2^288057641 is an apocalyptic number.

It is an amenable number.

288057641 is a deficient number, since it is larger than the sum of its proper divisors (105643).

288057641 is a wasteful number, since it uses less digits than its factorization.

288057641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105642.

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 288057641 is about 16972.2609277609. The cubic root of 288057641 is about 660.4295038744.

The spelling of 288057641 in words is "two hundred eighty-eight million, fifty-seven thousand, six hundred forty-one".