28054459 has 2 divisors, whose sum is σ = 28054460. Its totient is φ = 28054458.

The previous prime is 28054451. The next prime is 28054463. The reversal of 28054459 is 95445082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28054459 - 2³ = 28054451 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28054451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14027229 + 14027230.

It is an arithmetic number, because the mean of its divisors is an integer number (14027230).

Almost surely, 2^28054459 is an apocalyptic number.

28054459 is a deficient number, since it is larger than the sum of its proper divisors (1).

28054459 is an equidigital number, since it uses as much as digits as its factorization.

28054459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 28054459 is about 5296.6460142245. The cubic root of 28054459 is about 303.8556382612.

The spelling of 28054459 in words is "twenty-eight million, fifty-four thousand, four hundred fifty-nine".