249353124 has 12 divisors (see below), whose sum is σ = 581823984. Its totient is φ = 83117704.

The previous prime is 249353123. The next prime is 249353141. The reversal of 249353124 is 421353942.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (249353123) 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, 10389702 + ... + 10389725.

It is an arithmetic number, because the mean of its divisors is an integer number (48485332).

Almost surely, 2^249353124 is an apocalyptic number.

It is an amenable number.

249353124 is an abundant number, since it is smaller than the sum of its proper divisors (332470860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

249353124 is a wasteful number, since it uses less digits than its factorization.

249353124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20779434 (or 20779432 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 249353124 is about 15790.9190359523. The cubic root of 249353124 is about 629.4167138469.

The spelling of 249353124 in words is "two hundred forty-nine million, three hundred fifty-three thousand, one hundred twenty-four".