249750242 has 16 divisors (see below), whose sum is σ = 428426880. Its totient is φ = 106964928.

The previous prime is 249750217. The next prime is 249750289. The reversal of 249750242 is 242057942.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19859 + ... + 29897.

It is an arithmetic number, because the mean of its divisors is an integer number (26776680).

Almost surely, 2^249750242 is an apocalyptic number.

249750242 is a deficient number, since it is larger than the sum of its proper divisors (178676638).

249750242 is a wasteful number, since it uses less digits than its factorization.

249750242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11825.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 249750242 is about 15803.4882858184. The cubic root of 249750242 is about 629.7506714741.

The spelling of 249750242 in words is "two hundred forty-nine million, seven hundred fifty thousand, two hundred forty-two".