249323273 has 2 divisors, whose sum is σ = 249323274. Its totient is φ = 249323272.

The previous prime is 249323267. The next prime is 249323293. The reversal of 249323273 is 372323942.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182034064 + 67289209 = 13492^2 + 8203^2 .

It is a cyclic number.

It is not a de Polignac number, because 249323273 - 2⁴ = 249323257 is a prime.

It is not a weakly prime, because it can be changed into another prime (249323213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124661636 + 124661637.

It is an arithmetic number, because the mean of its divisors is an integer number (124661637).

Almost surely, 2^249323273 is an apocalyptic number.

It is an amenable number.

249323273 is a deficient number, since it is larger than the sum of its proper divisors (1).

249323273 is an equidigital number, since it uses as much as digits as its factorization.

249323273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 35.

The square root of 249323273 is about 15789.9738125179. The cubic root of 249323273 is about 629.3915962308.

The spelling of 249323273 in words is "two hundred forty-nine million, three hundred twenty-three thousand, two hundred seventy-three".