609304853 has 2 divisors, whose sum is σ = 609304854. Its totient is φ = 609304852.

The previous prime is 609304849. The next prime is 609304903. The reversal of 609304853 is 358403906.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 350513284 + 258791569 = 18722^2 + 16087^2 .

It is a cyclic number.

It is not a de Polignac number, because 609304853 - 2² = 609304849 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (609304253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304652426 + 304652427.

It is an arithmetic number, because the mean of its divisors is an integer number (304652427).

Almost surely, 2^609304853 is an apocalyptic number.

It is an amenable number.

609304853 is a deficient number, since it is larger than the sum of its proper divisors (1).

609304853 is an equidigital number, since it uses as much as digits as its factorization.

609304853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 609304853 is about 24684.1012192059. The cubic root of 609304853 is about 847.7703284544.

The spelling of 609304853 in words is "six hundred nine million, three hundred four thousand, eight hundred fifty-three".