249051028 has 12 divisors (see below), whose sum is σ = 444063060. Its totient is φ = 122175872.

The previous prime is 249050957. The next prime is 249051029. The reversal of 249051028 is 820150942.

249051028 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 140849424 + 108201604 = 11868^2 + 10402^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249051029) 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, 587173 + ... + 587596.

It is an arithmetic number, because the mean of its divisors is an integer number (37005255).

Almost surely, 2^249051028 is an apocalyptic number.

It is an amenable number.

249051028 is a deficient number, since it is larger than the sum of its proper divisors (195012032).

249051028 is a wasteful number, since it uses less digits than its factorization.

249051028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174826 (or 1174824 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 249051028 is about 15781.3506392831. The cubic root of 249051028 is about 629.1624277324.

The spelling of 249051028 in words is "two hundred forty-nine million, fifty-one thousand, twenty-eight".