248428811 has 2 divisors, whose sum is σ = 248428812. Its totient is φ = 248428810.

The previous prime is 248428801. The next prime is 248428849. The reversal of 248428811 is 118824842.

It is an a-pointer prime, because the next prime (248428849) can be obtained adding 248428811 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248428811 is a prime.

It is not a weakly prime, because it can be changed into another prime (248428801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124214405 + 124214406.

It is an arithmetic number, because the mean of its divisors is an integer number (124214406).

Almost surely, 2^248428811 is an apocalyptic number.

248428811 is a deficient number, since it is larger than the sum of its proper divisors (1).

248428811 is an equidigital number, since it uses as much as digits as its factorization.

248428811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32768, while the sum is 38.

The square root of 248428811 is about 15761.6246307289. The cubic root of 248428811 is about 628.6380344930.

The spelling of 248428811 in words is "two hundred forty-eight million, four hundred twenty-eight thousand, eight hundred eleven".