28250659 has 2 divisors, whose sum is σ = 28250660. Its totient is φ = 28250658.

The previous prime is 28250657. The next prime is 28250689. The reversal of 28250659 is 95605282.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28250659 - 2¹ = 28250657 is a prime.

Together with 28250657, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (28250653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14125329 + 14125330.

It is an arithmetic number, because the mean of its divisors is an integer number (14125330).

Almost surely, 2^28250659 is an apocalyptic number.

28250659 is a deficient number, since it is larger than the sum of its proper divisors (1).

28250659 is an equidigital number, since it uses as much as digits as its factorization.

28250659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 28250659 is about 5315.1348995110. The cubic root of 28250659 is about 304.5623356284.

The spelling of 28250659 in words is "twenty-eight million, two hundred fifty thousand, six hundred fifty-nine".