1248003553 has 2 divisors, whose sum is σ = 1248003554. Its totient is φ = 1248003552.

The previous prime is 1248003499. The next prime is 1248003563. The reversal of 1248003553 is 3553008421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1053456849 + 194546704 = 32457^2 + 13948^2 .

It is a cyclic number.

It is not a de Polignac number, because 1248003553 - 2¹³ = 1247995361 is a prime.

It is not a weakly prime, because it can be changed into another prime (1248003563) 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, 624001776 + 624001777.

It is an arithmetic number, because the mean of its divisors is an integer number (624001777).

Almost surely, 2^1248003553 is an apocalyptic number.

It is an amenable number.

1248003553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1248003553 is an equidigital number, since it uses as much as digits as its factorization.

1248003553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 1248003553 is about 35327.0937525294. The cubic root of 1248003553 is about 1076.6435441341.

The spelling of 1248003553 in words is "one billion, two hundred forty-eight million, three thousand, five hundred fifty-three".