249750241 has 8 divisors (see below), whose sum is σ = 269156160. Its totient is φ = 230372112.

The previous prime is 249750217. The next prime is 249750289. The reversal of 249750241 is 142057942.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 249750241 - 2⁵ = 249750209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 249750197 and 249750206.

It is not an unprimeable number, because it can be changed into a prime (249750211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14106 + ... + 26428.

It is an arithmetic number, because the mean of its divisors is an integer number (33644520).

Almost surely, 2^249750241 is an apocalyptic number.

It is an amenable number.

249750241 is a deficient number, since it is larger than the sum of its proper divisors (19405919).

249750241 is a wasteful number, since it uses less digits than its factorization.

249750241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13895.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 249750241 is about 15803.4882541798. The cubic root of 249750241 is about 629.7506706336.

The spelling of 249750241 in words is "two hundred forty-nine million, seven hundred fifty thousand, two hundred forty-one".