545059613 has 4 divisors (see below), whose sum is σ = 622925280. Its totient is φ = 467193948.

The previous prime is 545059601. The next prime is 545059621. The reversal of 545059613 is 316950545.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 316950545 = 5 ⋅63390109.

It is a cyclic number.

It is not a de Polignac number, because 545059613 - 2⁶ = 545059549 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 (545059813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38932823 + ... + 38932836.

It is an arithmetic number, because the mean of its divisors is an integer number (155731320).

Almost surely, 2^545059613 is an apocalyptic number.

It is an amenable number.

545059613 is a deficient number, since it is larger than the sum of its proper divisors (77865667).

545059613 is an equidigital number, since it uses as much as digits as its factorization.

545059613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77865666.

The product of its (nonzero) digits is 81000, while the sum is 38.

The square root of 545059613 is about 23346.5117951269. The cubic root of 545059613 is about 816.8606980494.

The spelling of 545059613 in words is "five hundred forty-five million, fifty-nine thousand, six hundred thirteen".