248348137 has 2 divisors, whose sum is σ = 248348138. Its totient is φ = 248348136.

The previous prime is 248348077. The next prime is 248348159. The reversal of 248348137 is 731843842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142587481 + 105760656 = 11941^2 + 10284^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248348137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 248348137.

It is not a weakly prime, because it can be changed into another prime (248348167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124174068 + 124174069.

It is an arithmetic number, because the mean of its divisors is an integer number (124174069).

Almost surely, 2^248348137 is an apocalyptic number.

It is an amenable number.

248348137 is a deficient number, since it is larger than the sum of its proper divisors (1).

248348137 is an equidigital number, since it uses as much as digits as its factorization.

248348137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 40.

The square root of 248348137 is about 15759.0652324305. The cubic root of 248348137 is about 628.5699798053.

The spelling of 248348137 in words is "two hundred forty-eight million, three hundred forty-eight thousand, one hundred thirty-seven".