249563012 has 12 divisors (see below), whose sum is σ = 442886976. Its totient is φ = 123023880.

The previous prime is 249563011. The next prime is 249563029. The reversal of 249563012 is 210365942.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 249563012.

It is not an unprimeable number, because it can be changed into a prime (249563011) 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 in 3 ways as a sum of consecutive naturals, for example, 439088 + ... + 439655.

It is an arithmetic number, because the mean of its divisors is an integer number (36907248).

Almost surely, 2^249563012 is an apocalyptic number.

It is an amenable number.

249563012 is a deficient number, since it is larger than the sum of its proper divisors (193323964).

249563012 is a wasteful number, since it uses less digits than its factorization.

249563012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878818 (or 878816 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 249563012 is about 15797.5634830185. The cubic root of 249563012 is about 629.5932639596.

The spelling of 249563012 in words is "two hundred forty-nine million, five hundred sixty-three thousand, twelve".