948921553 has 2 divisors, whose sum is σ = 948921554. Its totient is φ = 948921552.

The previous prime is 948921509. The next prime is 948921559. The reversal of 948921553 is 355129849.

948921553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 809516304 + 139405249 = 28452^2 + 11807^2 .

It is a cyclic number.

It is not a de Polignac number, because 948921553 - 2²⁵ = 915367121 is a prime.

It is a super-2 number, since 2×948921553² = 1800904227495863618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (948921559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474460776 + 474460777.

It is an arithmetic number, because the mean of its divisors is an integer number (474460777).

Almost surely, 2^948921553 is an apocalyptic number.

It is an amenable number.

948921553 is a deficient number, since it is larger than the sum of its proper divisors (1).

948921553 is an equidigital number, since it uses as much as digits as its factorization.

948921553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 46.

The square root of 948921553 is about 30804.5703264954. The cubic root of 948921553 is about 982.6754440258.

The spelling of 948921553 in words is "nine hundred forty-eight million, nine hundred twenty-one thousand, five hundred fifty-three".