249242192 has 10 divisors (see below), whose sum is σ = 482906778. Its totient is φ = 124621088.

The previous prime is 249242183. The next prime is 249242251. The reversal of 249242192 is 291242942.

It can be written as a sum of positive squares in only one way, i.e., 232135696 + 17106496 = 15236^2 + 4136^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7788803 + ... + 7788834.

Almost surely, 2^249242192 is an apocalyptic number.

It is an amenable number.

249242192 is a deficient number, since it is larger than the sum of its proper divisors (233664586).

249242192 is a wasteful number, since it uses less digits than its factorization.

249242192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15577645 (or 15577639 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 249242192 is about 15787.4061200692. The cubic root of 249242192 is about 629.3233618828.

The spelling of 249242192 in words is "two hundred forty-nine million, two hundred forty-two thousand, one hundred ninety-two".