248188481 has 2 divisors, whose sum is σ = 248188482. Its totient is φ = 248188480.

The previous prime is 248188477. The next prime is 248188517. The reversal of 248188481 is 184881842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 224520256 + 23668225 = 14984^2 + 4865^2 .

It is a cyclic number.

It is not a de Polignac number, because 248188481 - 2² = 248188477 is a prime.

It is a super-2 number, since 2×248188481² = 123195044202174722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (248188441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124094240 + 124094241.

It is an arithmetic number, because the mean of its divisors is an integer number (124094241).

Almost surely, 2^248188481 is an apocalyptic number.

It is an amenable number.

248188481 is a deficient number, since it is larger than the sum of its proper divisors (1).

248188481 is an equidigital number, since it uses as much as digits as its factorization.

248188481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 131072, while the sum is 44.

The square root of 248188481 is about 15753.9988891710. The cubic root of 248188481 is about 628.4352543043.

The spelling of 248188481 in words is "two hundred forty-eight million, one hundred eighty-eight thousand, four hundred eighty-one".