248288797 has 2 divisors, whose sum is σ = 248288798. Its totient is φ = 248288796.

The previous prime is 248288783. The next prime is 248288839. The reversal of 248288797 is 797882842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 246678436 + 1610361 = 15706^2 + 1269^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248288797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248288717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124144398 + 124144399.

It is an arithmetic number, because the mean of its divisors is an integer number (124144399).

Almost surely, 2^248288797 is an apocalyptic number.

It is an amenable number.

248288797 is a deficient number, since it is larger than the sum of its proper divisors (1).

248288797 is an equidigital number, since it uses as much as digits as its factorization.

248288797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3612672, while the sum is 55.

The square root of 248288797 is about 15757.1823940703. The cubic root of 248288797 is about 628.5199125701.

The spelling of 248288797 in words is "two hundred forty-eight million, two hundred eighty-eight thousand, seven hundred ninety-seven".