28114551 has 12 divisors (see below), whose sum is σ = 41920320. Its totient is φ = 18138240.

The previous prime is 28114529. The next prime is 28114553. The reversal of 28114551 is 15541182.

It is not a de Polignac number, because 28114551 - 2⁵ = 28114519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28114553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50106 + ... + 50663.

It is an arithmetic number, because the mean of its divisors is an integer number (3493360).

Almost surely, 2^28114551 is an apocalyptic number.

28114551 is a deficient number, since it is larger than the sum of its proper divisors (13805769).

28114551 is a wasteful number, since it uses less digits than its factorization.

28114551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100806 (or 100803 counting only the distinct ones).

The product of its digits is 1600, while the sum is 27.

The square root of 28114551 is about 5302.3156262146. The cubic root of 28114551 is about 304.0724341190.

The spelling of 28114551 in words is "twenty-eight million, one hundred fourteen thousand, five hundred fifty-one".