248545799 has 2 divisors, whose sum is σ = 248545800. Its totient is φ = 248545798.

The previous prime is 248545793. The next prime is 248545861. The reversal of 248545799 is 997545842.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 248545799 - 2⁸ = 248545543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 248545799.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248545793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124272899 + 124272900.

It is an arithmetic number, because the mean of its divisors is an integer number (124272900).

Almost surely, 2^248545799 is an apocalyptic number.

248545799 is a deficient number, since it is larger than the sum of its proper divisors (1).

248545799 is an equidigital number, since it uses as much as digits as its factorization.

248545799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 53.

The square root of 248545799 is about 15765.3353595793. The cubic root of 248545799 is about 628.7366966476.

It can be divided in two parts, 2485 and 45799, that added together give a palindrome (48284).

The spelling of 248545799 in words is "two hundred forty-eight million, five hundred forty-five thousand, seven hundred ninety-nine".