250400000027 has 2 divisors, whose sum is σ = 250400000028. Its totient is φ = 250400000026.

The previous prime is 250399999921. The next prime is 250400000041. The reversal of 250400000027 is 720000004052.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-250400000027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 250399999954 and 250400000008.

It is not a weakly prime, because it can be changed into another prime (250400000527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125200000013 + 125200000014.

It is an arithmetic number, because the mean of its divisors is an integer number (125200000014).

Almost surely, 2^250400000027 is an apocalyptic number.

250400000027 is a deficient number, since it is larger than the sum of its proper divisors (1).

250400000027 is an equidigital number, since it uses as much as digits as its factorization.

250400000027 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.

Adding to 250400000027 its reverse (720000004052), we get a palindrome (970400004079).

The spelling of 250400000027 in words is "two hundred fifty billion, four hundred million, twenty-seven", and thus it is an aban number.