605343505 has 16 divisors (see below), whose sum is σ = 783158544. Its totient is φ = 446526720.

The previous prime is 605343499. The next prime is 605343511. The reversal of 605343505 is 505343506.

It is an interprime number because it is at equal distance from previous prime (605343499) and next prime (605343511).

It can be written as a sum of positive squares in 8 ways, for example, as 16941456 + 588402049 = 4116^2 + 24257^2 .

It is not a de Polignac number, because 605343505 - 2¹⁵ = 605310737 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60135 + ... + 69475.

It is an arithmetic number, because the mean of its divisors is an integer number (48947409).

Almost surely, 2^605343505 is an apocalyptic number.

605343505 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

605343505 is a deficient number, since it is larger than the sum of its proper divisors (177815039).

605343505 is a wasteful number, since it uses less digits than its factorization.

605343505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10356.

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 605343505 is about 24603.7294937170. The cubic root of 605343505 is about 845.9290948926.

Subtracting from 605343505 its reverse (505343506), we obtain a palindrome (99999999).

The spelling of 605343505 in words is "six hundred five million, three hundred forty-three thousand, five hundred five".