248447377 has 2 divisors, whose sum is σ = 248447378. Its totient is φ = 248447376.

The previous prime is 248447351. The next prime is 248447383. The reversal of 248447377 is 773744842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130051216 + 118396161 = 11404^2 + 10881^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248447377 is a prime.

It is not a weakly prime, because it can be changed into another prime (248447317) 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, 124223688 + 124223689.

It is an arithmetic number, because the mean of its divisors is an integer number (124223689).

Almost surely, 2^248447377 is an apocalyptic number.

It is an amenable number.

248447377 is a deficient number, since it is larger than the sum of its proper divisors (1).

248447377 is an equidigital number, since it uses as much as digits as its factorization.

248447377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1053696, while the sum is 46.

The square root of 248447377 is about 15762.2135818545. The cubic root of 248447377 is about 628.6536942481.

The spelling of 248447377 in words is "two hundred forty-eight million, four hundred forty-seven thousand, three hundred seventy-seven".