613370845 has 8 divisors (see below), whose sum is σ = 736199640. Its totient is φ = 490593600.

The previous prime is 613370843. The next prime is 613370861. The reversal of 613370845 is 548073316.

It can be written as a sum of positive squares in 4 ways, for example, as 58155876 + 555214969 = 7626^2 + 23563^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 613370845 - 2¹ = 613370843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613370843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21771 + ... + 41239.

It is an arithmetic number, because the mean of its divisors is an integer number (92024955).

Almost surely, 2^613370845 is an apocalyptic number.

It is an amenable number.

613370845 is a deficient number, since it is larger than the sum of its proper divisors (122828795).

613370845 is a wasteful number, since it uses less digits than its factorization.

613370845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25775.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 613370845 is about 24766.3248181881. The cubic root of 613370845 is about 849.6519197622.

It can be divided in two parts, 6133708 and 45, that added together give a triangular number (6133753 = T₃₅₀₂).

The spelling of 613370845 in words is "six hundred thirteen million, three hundred seventy thousand, eight hundred forty-five".