249599248 has 10 divisors (see below), whose sum is σ = 483598574. Its totient is φ = 124799616.

The previous prime is 249599239. The next prime is 249599249. The reversal of 249599248 is 842995942.

It can be written as a sum of positive squares in only one way, i.e., 231891984 + 17707264 = 15228^2 + 4208^2 .

It is a junction number, because it is equal to n+sod(n) for n = 249599195 and 249599204.

It is not an unprimeable number, because it can be changed into a prime (249599249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7799961 + ... + 7799992.

Almost surely, 2^249599248 is an apocalyptic number.

It is an amenable number.

249599248 is a deficient number, since it is larger than the sum of its proper divisors (233999326).

249599248 is a wasteful number, since it uses less digits than its factorization.

249599248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15599961 (or 15599955 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 52.

The square root of 249599248 is about 15798.7103271121. The cubic root of 249599248 is about 629.6237343369.

The spelling of 249599248 in words is "two hundred forty-nine million, five hundred ninety-nine thousand, two hundred forty-eight".