288621113 has 8 divisors (see below), whose sum is σ = 315257376. Its totient is φ = 262051200.

The previous prime is 288621071. The next prime is 288621131. The reversal of 288621113 is 311126882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 288621113 - 2¹⁶ = 288555577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 288621113.

It is not an unprimeable number, because it can be changed into a prime (288621133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7256 + ... + 25097.

It is an arithmetic number, because the mean of its divisors is an integer number (39407172).

Almost surely, 2^288621113 is an apocalyptic number.

It is an amenable number.

288621113 is a deficient number, since it is larger than the sum of its proper divisors (26636263).

288621113 is a wasteful number, since it uses less digits than its factorization.

288621113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33175.

The product of its digits is 4608, while the sum is 32.

The square root of 288621113 is about 16988.8526098733. The cubic root of 288621113 is about 660.8598473188.

Adding to 288621113 its reverse (311126882), we get a palindrome (599747995).

The spelling of 288621113 in words is "two hundred eighty-eight million, six hundred twenty-one thousand, one hundred thirteen".