28845601 has 2 divisors, whose sum is σ = 28845602. Its totient is φ = 28845600.

The previous prime is 28845589. The next prime is 28845613. The reversal of 28845601 is 10654882.

It is a balanced prime because it is at equal distance from previous prime (28845589) and next prime (28845613).

It can be written as a sum of positive squares in only one way, i.e., 24010000 + 4835601 = 4900^2 + 2199^2 .

It is a cyclic number.

It is not a de Polignac number, because 28845601 - 2¹¹ = 28843553 is a prime.

It is not a weakly prime, because it can be changed into another prime (28845101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14422800 + 14422801.

It is an arithmetic number, because the mean of its divisors is an integer number (14422801).

Almost surely, 2^28845601 is an apocalyptic number.

It is an amenable number.

28845601 is a deficient number, since it is larger than the sum of its proper divisors (1).

28845601 is an equidigital number, since it uses as much as digits as its factorization.

28845601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 28845601 is about 5370.8100878732. The cubic root of 28845601 is about 306.6854676302.

The spelling of 28845601 in words is "twenty-eight million, eight hundred forty-five thousand, six hundred one".