249730273 has 8 divisors (see below), whose sum is σ = 269087616. Its totient is φ = 230394000.

The previous prime is 249730267. The next prime is 249730291. The reversal of 249730273 is 372037942.

249730273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-249730273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (249730213) 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, 26478 + ... + 34648.

It is an arithmetic number, because the mean of its divisors is an integer number (33635952).

Almost surely, 2^249730273 is an apocalyptic number.

It is an amenable number.

249730273 is a deficient number, since it is larger than the sum of its proper divisors (19357343).

249730273 is a wasteful number, since it uses less digits than its factorization.

249730273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10535.

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 249730273 is about 15802.8564822946. The cubic root of 249730273 is about 629.7338869373.

The spelling of 249730273 in words is "two hundred forty-nine million, seven hundred thirty thousand, two hundred seventy-three".