247753273 has 2 divisors, whose sum is σ = 247753274. Its totient is φ = 247753272.

The previous prime is 247753241. The next prime is 247753321. The reversal of 247753273 is 372357742.

247753273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 242518329 + 5234944 = 15573^2 + 2288^2 .

It is a cyclic number.

It is not a de Polignac number, because 247753273 - 2⁵ = 247753241 is a prime.

It is a super-2 number, since 2×247753273² = 122763368564425058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (247753973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123876636 + 123876637.

It is an arithmetic number, because the mean of its divisors is an integer number (123876637).

Almost surely, 2^247753273 is an apocalyptic number.

It is an amenable number.

247753273 is a deficient number, since it is larger than the sum of its proper divisors (1).

247753273 is an equidigital number, since it uses as much as digits as its factorization.

247753273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 246960, while the sum is 40.

The square root of 247753273 is about 15740.1802086253. The cubic root of 247753273 is about 628.0677109636.

The spelling of 247753273 in words is "two hundred forty-seven million, seven hundred fifty-three thousand, two hundred seventy-three".