948221003 has 2 divisors, whose sum is σ = 948221004. Its totient is φ = 948221002.

The previous prime is 948220991. The next prime is 948221009. The reversal of 948221003 is 300122849.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 948221003 - 2¹⁸ = 947958859 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (948221009) 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, 474110501 + 474110502.

It is an arithmetic number, because the mean of its divisors is an integer number (474110502).

Almost surely, 2^948221003 is an apocalyptic number.

948221003 is a deficient number, since it is larger than the sum of its proper divisors (1).

948221003 is an equidigital number, since it uses as much as digits as its factorization.

948221003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 948221003 is about 30793.1973494147. The cubic root of 948221003 is about 982.4335614526.

The spelling of 948221003 in words is "nine hundred forty-eight million, two hundred twenty-one thousand, three".