248411057 has 2 divisors, whose sum is σ = 248411058. Its totient is φ = 248411056.

The previous prime is 248411047. The next prime is 248411099. The reversal of 248411057 is 750114842.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 248409121 + 1936 = 15761^2 + 44^2 .

It is a cyclic number.

It is not a de Polignac number, because 248411057 - 2¹⁰ = 248410033 is a prime.

It is not a weakly prime, because it can be changed into another prime (248411047) 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, 124205528 + 124205529.

It is an arithmetic number, because the mean of its divisors is an integer number (124205529).

Almost surely, 2^248411057 is an apocalyptic number.

It is an amenable number.

248411057 is a deficient number, since it is larger than the sum of its proper divisors (1).

248411057 is an equidigital number, since it uses as much as digits as its factorization.

248411057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 248411057 is about 15761.0614173031. The cubic root of 248411057 is about 628.6230589010.

Adding to 248411057 its reverse (750114842), we get a palindrome (998525899).

The spelling of 248411057 in words is "two hundred forty-eight million, four hundred eleven thousand, fifty-seven".