248230949 has 4 divisors (see below), whose sum is σ = 248677164. Its totient is φ = 247784736.

The previous prime is 248230937. The next prime is 248230951. The reversal of 248230949 is 949032842.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 949032842 = 2 ⋅474516421.

It can be written as a sum of positive squares in 2 ways, for example, as 135722500 + 112508449 = 11650^2 + 10607^2 .

It is a cyclic number.

It is not a de Polignac number, because 248230949 - 2⁸ = 248230693 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248230979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222272 + ... + 223385.

It is an arithmetic number, because the mean of its divisors is an integer number (62169291).

Almost surely, 2^248230949 is an apocalyptic number.

It is an amenable number.

248230949 is a deficient number, since it is larger than the sum of its proper divisors (446215).

248230949 is an equidigital number, since it uses as much as digits as its factorization.

248230949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446214.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 248230949 is about 15755.3466797783. The cubic root of 248230949 is about 628.4710965081.

The spelling of 248230949 in words is "two hundred forty-eight million, two hundred thirty thousand, nine hundred forty-nine".