248484191 has 2 divisors, whose sum is σ = 248484192. Its totient is φ = 248484190.

The previous prime is 248484163. The next prime is 248484199. The reversal of 248484191 is 191484842.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248484191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248484199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124242095 + 124242096.

It is an arithmetic number, because the mean of its divisors is an integer number (124242096).

Almost surely, 2^248484191 is an apocalyptic number.

248484191 is a deficient number, since it is larger than the sum of its proper divisors (1).

248484191 is an equidigital number, since it uses as much as digits as its factorization.

248484191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73728, while the sum is 41.

The square root of 248484191 is about 15763.3813314276. The cubic root of 248484191 is about 628.6847432297.

The spelling of 248484191 in words is "two hundred forty-eight million, four hundred eighty-four thousand, one hundred ninety-one".