28358597 has 2 divisors, whose sum is σ = 28358598. Its totient is φ = 28358596.

The previous prime is 28358587. The next prime is 28358599. The reversal of 28358597 is 79585382.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23804641 + 4553956 = 4879^2 + 2134^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28358597 is a prime.

Together with 28358599, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28358599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14179298 + 14179299.

It is an arithmetic number, because the mean of its divisors is an integer number (14179299).

Almost surely, 2^28358597 is an apocalyptic number.

It is an amenable number.

28358597 is a deficient number, since it is larger than the sum of its proper divisors (1).

28358597 is an equidigital number, since it uses as much as digits as its factorization.

28358597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 47.

The square root of 28358597 is about 5325.2790537210. The cubic root of 28358597 is about 304.9497256560.

The spelling of 28358597 in words is "twenty-eight million, three hundred fifty-eight thousand, five hundred ninety-seven".