245000027 has 2 divisors, whose sum is σ = 245000028. Its totient is φ = 245000026.

The previous prime is 244999991. The next prime is 245000047. The reversal of 245000027 is 720000542.

It is an a-pointer prime, because the next prime (245000047) can be obtained adding 245000027 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245000027 - 2²⁶ = 177891163 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 244999972 and 245000008.

It is not a weakly prime, because it can be changed into another prime (245000047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122500013 + 122500014.

It is an arithmetic number, because the mean of its divisors is an integer number (122500014).

Almost surely, 2^245000027 is an apocalyptic number.

245000027 is a deficient number, since it is larger than the sum of its proper divisors (1).

245000027 is an equidigital number, since it uses as much as digits as its factorization.

245000027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 245000027 is about 15652.4767049819. The cubic root of 245000027 is about 625.7324975537.

Adding to 245000027 its reverse (720000542), we get a palindrome (965000569).

The spelling of 245000027 in words is "two hundred forty-five million, twenty-seven", and thus it is an aban number.