948203513 has 2 divisors, whose sum is σ = 948203514. Its totient is φ = 948203512.

The previous prime is 948203507. The next prime is 948203527. The reversal of 948203513 is 315302849.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 600642064 + 347561449 = 24508^2 + 18643^2 .

It is an emirp because it is prime and its reverse (315302849) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 948203513 - 2⁸ = 948203257 is a prime.

It is not a weakly prime, because it can be changed into another prime (948203533) 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, 474101756 + 474101757.

It is an arithmetic number, because the mean of its divisors is an integer number (474101757).

Almost surely, 2^948203513 is an apocalyptic number.

It is an amenable number.

948203513 is a deficient number, since it is larger than the sum of its proper divisors (1).

948203513 is an equidigital number, since it uses as much as digits as its factorization.

948203513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 948203513 is about 30792.9133568099. The cubic root of 948203513 is about 982.4275210645.

The spelling of 948203513 in words is "nine hundred forty-eight million, two hundred three thousand, five hundred thirteen".