613604105 has 4 divisors (see below), whose sum is σ = 736324932. Its totient is φ = 490883280.

The previous prime is 613604099. The next prime is 613604119. The reversal of 613604105 is 501406316.

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 303421561 + 310182544 = 17419^2 + 17612^2 .

It is not a de Polignac number, because 613604105 - 2²⁰ = 612555529 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 61360406 + ... + 61360415.

It is an arithmetic number, because the mean of its divisors is an integer number (184081233).

Almost surely, 2^613604105 is an apocalyptic number.

It is an amenable number.

613604105 is a deficient number, since it is larger than the sum of its proper divisors (122720827).

613604105 is a wasteful number, since it uses less digits than its factorization.

613604105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122720826.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 613604105 is about 24771.0335876402. The cubic root of 613604105 is about 849.7596113762.

The spelling of 613604105 in words is "six hundred thirteen million, six hundred four thousand, one hundred five".