28314051 has 4 divisors (see below), whose sum is σ = 37752072. Its totient is φ = 18876032.

The previous prime is 28314043. The next prime is 28314073. The reversal of 28314051 is 15041382.

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

It is a cyclic number.

It is not a de Polignac number, because 28314051 - 2³ = 28314043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28314001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4719006 + ... + 4719011.

It is an arithmetic number, because the mean of its divisors is an integer number (9438018).

Almost surely, 2^28314051 is an apocalyptic number.

28314051 is a deficient number, since it is larger than the sum of its proper divisors (9438021).

28314051 is an equidigital number, since it uses as much as digits as its factorization.

28314051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9438020.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 28314051 is about 5321.0949061260. The cubic root of 28314051 is about 304.7899691693.

The spelling of 28314051 in words is "twenty-eight million, three hundred fourteen thousand, fifty-one".