948558311 has 2 divisors, whose sum is σ = 948558312. Its totient is φ = 948558310.

The previous prime is 948558263. The next prime is 948558313. The reversal of 948558311 is 113855849.

It is a strong prime.

It is an emirp because it is prime and its reverse (113855849) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 948558311 - 2¹⁴ = 948541927 is a prime.

It is a Sophie Germain prime.

Together with 948558313, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (948558313) 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, 474279155 + 474279156.

It is an arithmetic number, because the mean of its divisors is an integer number (474279156).

Almost surely, 2^948558311 is an apocalyptic number.

948558311 is a deficient number, since it is larger than the sum of its proper divisors (1).

948558311 is an equidigital number, since it uses as much as digits as its factorization.

948558311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 44.

The square root of 948558311 is about 30798.6738513203. The cubic root of 948558311 is about 982.5500404213.

The spelling of 948558311 in words is "nine hundred forty-eight million, five hundred fifty-eight thousand, three hundred eleven".