28314547 has 2 divisors, whose sum is σ = 28314548. Its totient is φ = 28314546.

The previous prime is 28314529. The next prime is 28314577. The reversal of 28314547 is 74541382.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28314547 - 2¹¹ = 28312499 is a prime.

It is not a weakly prime, because it can be changed into another prime (28314577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14157273 + 14157274.

It is an arithmetic number, because the mean of its divisors is an integer number (14157274).

Almost surely, 2^28314547 is an apocalyptic number.

28314547 is a deficient number, since it is larger than the sum of its proper divisors (1).

28314547 is an equidigital number, since it uses as much as digits as its factorization.

28314547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26880, while the sum is 34.

The square root of 28314547 is about 5321.1415128711. The cubic root of 28314547 is about 304.7917489092.

The spelling of 28314547 in words is "twenty-eight million, three hundred fourteen thousand, five hundred forty-seven".