248953553 has 2 divisors, whose sum is σ = 248953554. Its totient is φ = 248953552.

The previous prime is 248953519. The next prime is 248953567. The reversal of 248953553 is 355359842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 178275904 + 70677649 = 13352^2 + 8407^2 .

It is a cyclic number.

It is not a de Polignac number, because 248953553 - 2⁶ = 248953489 is a prime.

It is not a weakly prime, because it can be changed into another prime (248959553) 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, 124476776 + 124476777.

It is an arithmetic number, because the mean of its divisors is an integer number (124476777).

Almost surely, 2^248953553 is an apocalyptic number.

It is an amenable number.

248953553 is a deficient number, since it is larger than the sum of its proper divisors (1).

248953553 is an equidigital number, since it uses as much as digits as its factorization.

248953553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648000, while the sum is 44.

The square root of 248953553 is about 15778.2620399079. The cubic root of 248953553 is about 629.0803353050.

The spelling of 248953553 in words is "two hundred forty-eight million, nine hundred fifty-three thousand, five hundred fifty-three".