5313611605 has 4 divisors (see below), whose sum is σ = 6376333932. Its totient is φ = 4250889280.

The previous prime is 5313611591. The next prime is 5313611617. The reversal of 5313611605 is 5061163135.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2896807684 + 2416803921 = 53822^2 + 49161^2 .

It is not a de Polignac number, because 5313611605 - 2¹³ = 5313603413 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 531361156 + ... + 531361165.

It is an arithmetic number, because the mean of its divisors is an integer number (1594083483).

Almost surely, 2^5313611605 is an apocalyptic number.

It is an amenable number.

5313611605 is a deficient number, since it is larger than the sum of its proper divisors (1062722327).

5313611605 is a wasteful number, since it uses less digits than its factorization.

5313611605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062722326.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 5313611605 is about 72894.5238340988. The cubic root of 5313611605 is about 1745.0047049295.

The spelling of 5313611605 in words is "five billion, three hundred thirteen million, six hundred eleven thousand, six hundred five".