249118036 has 6 divisors (see below), whose sum is σ = 435956570. Its totient is φ = 124559016.

The previous prime is 249117971. The next prime is 249118043. The reversal of 249118036 is 630811942.

It can be written as a sum of positive squares in only one way, i.e., 241989136 + 7128900 = 15556^2 + 2670^2 .

It is a junction number, because it is equal to n+sod(n) for n = 249117992 and 249118010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31139751 + ... + 31139758.

Almost surely, 2^249118036 is an apocalyptic number.

It is an amenable number.

249118036 is a deficient number, since it is larger than the sum of its proper divisors (186838534).

249118036 is a wasteful number, since it uses less digits than its factorization.

249118036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62279513 (or 62279511 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 249118036 is about 15783.4735087052. The cubic root of 249118036 is about 629.2188487476.

Adding to 249118036 its reverse (630811942), we get a palindrome (879929978).

The spelling of 249118036 in words is "two hundred forty-nine million, one hundred eighteen thousand, thirty-six".