28459097 has 2 divisors, whose sum is σ = 28459098. Its totient is φ = 28459096.

The previous prime is 28459091. The next prime is 28459099. The reversal of 28459097 is 79095482.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19193161 + 9265936 = 4381^2 + 3044^2 .

It is a cyclic number.

It is not a de Polignac number, because 28459097 - 2⁸ = 28458841 is a prime.

Together with 28459099, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28459091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14229548 + 14229549.

It is an arithmetic number, because the mean of its divisors is an integer number (14229549).

Almost surely, 2^28459097 is an apocalyptic number.

It is an amenable number.

28459097 is a deficient number, since it is larger than the sum of its proper divisors (1).

28459097 is an equidigital number, since it uses as much as digits as its factorization.

28459097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 28459097 is about 5334.7068335570. The cubic root of 28459097 is about 305.3095379406.

The spelling of 28459097 in words is "twenty-eight million, four hundred fifty-nine thousand, ninety-seven".