4545613 has 4 divisors (see below), whose sum is σ = 4813020. Its totient is φ = 4278208.

The previous prime is 4545601. The next prime is 4545641. The reversal of 4545613 is 3165454.

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 4235364 + 310249 = 2058^2 + 557^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4545613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545643) 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, 133678 + ... + 133711.

It is an arithmetic number, because the mean of its divisors is an integer number (1203255).

Almost surely, 2^4545613 is an apocalyptic number.

It is an amenable number.

4545613 is a deficient number, since it is larger than the sum of its proper divisors (267407).

4545613 is a wasteful number, since it uses less digits than its factorization.

4545613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267406.

The product of its digits is 7200, while the sum is 28.

The square root of 4545613 is about 2132.0443241171. The cubic root of 4545613 is about 165.6523060710.

The spelling of 4545613 in words is "four million, five hundred forty-five thousand, six hundred thirteen".