605398357 has 2 divisors, whose sum is σ = 605398358. Its totient is φ = 605398356.

The previous prime is 605398319. The next prime is 605398363. The reversal of 605398357 is 753893506.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 550653156 + 54745201 = 23466^2 + 7399^2 .

It is a cyclic number.

It is not a de Polignac number, because 605398357 - 2¹⁹ = 604874069 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (605398657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302699178 + 302699179.

It is an arithmetic number, because the mean of its divisors is an integer number (302699179).

Almost surely, 2^605398357 is an apocalyptic number.

It is an amenable number.

605398357 is a deficient number, since it is larger than the sum of its proper divisors (1).

605398357 is an equidigital number, since it uses as much as digits as its factorization.

605398357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 680400, while the sum is 46.

The square root of 605398357 is about 24604.8441775192. The cubic root of 605398357 is about 845.9546448494.

The spelling of 605398357 in words is "six hundred five million, three hundred ninety-eight thousand, three hundred fifty-seven".