248729273 has 4 divisors (see below), whose sum is σ = 267862308. Its totient is φ = 229596240.

The previous prime is 248729267. The next prime is 248729287. The reversal of 248729273 is 372927842.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44582329 + 204146944 = 6677^2 + 14288^2 .

It is a cyclic number.

It is not a de Polignac number, because 248729273 - 2¹² = 248725177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248729233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9566498 + ... + 9566523.

It is an arithmetic number, because the mean of its divisors is an integer number (66965577).

Almost surely, 2^248729273 is an apocalyptic number.

It is an amenable number.

248729273 is a deficient number, since it is larger than the sum of its proper divisors (19133035).

248729273 is a wasteful number, since it uses less digits than its factorization.

248729273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19133034.

The product of its digits is 338688, while the sum is 44.

The square root of 248729273 is about 15771.1531918246. The cubic root of 248729273 is about 628.8913676227.

The spelling of 248729273 in words is "two hundred forty-eight million, seven hundred twenty-nine thousand, two hundred seventy-three".