5113645 has 4 divisors (see below), whose sum is σ = 6136380. Its totient is φ = 4090912.

The previous prime is 5113639. The next prime is 5113649. The reversal of 5113645 is 5463115.

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 2271049 + 2842596 = 1507^2 + 1686^2 .

It is a cyclic number.

It is not a de Polignac number, because 5113645 - 2⁹ = 5113133 is a prime.

It is a super-3 number, since 3×5113645³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5113649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511360 + ... + 511369.

It is an arithmetic number, because the mean of its divisors is an integer number (1534095).

Almost surely, 2^5113645 is an apocalyptic number.

It is an amenable number.

5113645 is a deficient number, since it is larger than the sum of its proper divisors (1022735).

5113645 is a wasteful number, since it uses less digits than its factorization.

5113645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022734.

The product of its digits is 1800, while the sum is 25.

The square root of 5113645 is about 2261.3369939043. The cubic root of 5113645 is about 172.2834361348.

The spelling of 5113645 in words is "five million, one hundred thirteen thousand, six hundred forty-five".