28248601 has 2 divisors, whose sum is σ = 28248602. Its totient is φ = 28248600.

The previous prime is 28248593. The next prime is 28248617. The reversal of 28248601 is 10684282.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23775376 + 4473225 = 4876^2 + 2115^2 .

It is a cyclic number.

It is not a de Polignac number, because 28248601 - 2³ = 28248593 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28248641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14124300 + 14124301.

It is an arithmetic number, because the mean of its divisors is an integer number (14124301).

Almost surely, 2^28248601 is an apocalyptic number.

It is an amenable number.

28248601 is a deficient number, since it is larger than the sum of its proper divisors (1).

28248601 is an equidigital number, since it uses as much as digits as its factorization.

28248601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 28248601 is about 5314.9412978884. The cubic root of 28248601 is about 304.5549398775.

The spelling of 28248601 in words is "twenty-eight million, two hundred forty-eight thousand, six hundred one".