28245179 has 2 divisors, whose sum is σ = 28245180. Its totient is φ = 28245178.

The previous prime is 28245169. The next prime is 28245199. The reversal of 28245179 is 97154282.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28245179 - 2⁴ = 28245163 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28245169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14122589 + 14122590.

It is an arithmetic number, because the mean of its divisors is an integer number (14122590).

Almost surely, 2^28245179 is an apocalyptic number.

28245179 is a deficient number, since it is larger than the sum of its proper divisors (1).

28245179 is an equidigital number, since it uses as much as digits as its factorization.

28245179 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 38.

The square root of 28245179 is about 5314.6193654861. The cubic root of 28245179 is about 304.5426415801.

The spelling of 28245179 in words is "twenty-eight million, two hundred forty-five thousand, one hundred seventy-nine".