28153113 has 8 divisors (see below), whose sum is σ = 38832000. Its totient is φ = 18121488.

The previous prime is 28153067. The next prime is 28153121. The reversal of 28153113 is 31135182.

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

It is not a de Polignac number, because 28153113 - 2⁸ = 28152857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28153163) 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 7 ways as a sum of consecutive naturals, for example, 161713 + ... + 161886.

It is an arithmetic number, because the mean of its divisors is an integer number (4854000).

Almost surely, 2^28153113 is an apocalyptic number.

It is an amenable number.

28153113 is a deficient number, since it is larger than the sum of its proper divisors (10678887).

28153113 is a wasteful number, since it uses less digits than its factorization.

28153113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323631.

The product of its digits is 720, while the sum is 24.

The square root of 28153113 is about 5305.9507159415. The cubic root of 28153113 is about 304.2113928183.

Adding to 28153113 its reverse (31135182), we get a palindrome (59288295).

The spelling of 28153113 in words is "twenty-eight million, one hundred fifty-three thousand, one hundred thirteen".