853603273 has 2 divisors, whose sum is σ = 853603274. Its totient is φ = 853603272.

The previous prime is 853603241. The next prime is 853603349. The reversal of 853603273 is 372306358.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 477553609 + 376049664 = 21853^2 + 19392^2 .

It is a cyclic number.

It is not a de Polignac number, because 853603273 - 2⁵ = 853603241 is a prime.

It is not a weakly prime, because it can be changed into another prime (853600273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426801636 + 426801637.

It is an arithmetic number, because the mean of its divisors is an integer number (426801637).

Almost surely, 2^853603273 is an apocalyptic number.

It is an amenable number.

853603273 is a deficient number, since it is larger than the sum of its proper divisors (1).

853603273 is an equidigital number, since it uses as much as digits as its factorization.

853603273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 853603273 is about 29216.4897446630. The cubic root of 853603273 is about 948.6048859232.

The spelling of 853603273 in words is "eight hundred fifty-three million, six hundred three thousand, two hundred seventy-three".