613528043 has 4 divisors (see below), whose sum is σ = 630109920. Its totient is φ = 596946168.

The previous prime is 613528039. The next prime is 613528051. The reversal of 613528043 is 340825316.

613528043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 613528043 - 2² = 613528039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (613528033) 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, 8290883 + ... + 8290956.

It is an arithmetic number, because the mean of its divisors is an integer number (157527480).

Almost surely, 2^613528043 is an apocalyptic number.

613528043 is a deficient number, since it is larger than the sum of its proper divisors (16581877).

613528043 is a wasteful number, since it uses less digits than its factorization.

613528043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16581876.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 613528043 is about 24769.4982387613. The cubic root of 613528043 is about 849.7244980265.

The spelling of 613528043 in words is "six hundred thirteen million, five hundred twenty-eight thousand, forty-three".