28975459 has 2 divisors, whose sum is σ = 28975460. Its totient is φ = 28975458.

The previous prime is 28975439. The next prime is 28975487. The reversal of 28975459 is 95457982.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28975459 - 2⁹ = 28974947 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28975439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14487729 + 14487730.

It is an arithmetic number, because the mean of its divisors is an integer number (14487730).

Almost surely, 2^28975459 is an apocalyptic number.

28975459 is a deficient number, since it is larger than the sum of its proper divisors (1).

28975459 is an equidigital number, since it uses as much as digits as its factorization.

28975459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 49.

The square root of 28975459 is about 5382.8857502273. The cubic root of 28975459 is about 307.1449940566.

The spelling of 28975459 in words is "twenty-eight million, nine hundred seventy-five thousand, four hundred fifty-nine".