248082557 has 2 divisors, whose sum is σ = 248082558. Its totient is φ = 248082556.

The previous prime is 248082539. The next prime is 248082629. The reversal of 248082557 is 755280842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211673401 + 36409156 = 14549^2 + 6034^2 .

It is a cyclic number.

It is not a de Polignac number, because 248082557 - 2⁶ = 248082493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248082517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124041278 + 124041279.

It is an arithmetic number, because the mean of its divisors is an integer number (124041279).

Almost surely, 2^248082557 is an apocalyptic number.

It is an amenable number.

248082557 is a deficient number, since it is larger than the sum of its proper divisors (1).

248082557 is an equidigital number, since it uses as much as digits as its factorization.

248082557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 179200, while the sum is 41.

The square root of 248082557 is about 15750.6367172886. The cubic root of 248082557 is about 628.3458385939.

The spelling of 248082557 in words is "two hundred forty-eight million, eighty-two thousand, five hundred fifty-seven".