305520113 has 8 divisors (see below), whose sum is σ = 310992000. Its totient is φ = 300058128.

The previous prime is 305520101. The next prime is 305520119. The reversal of 305520113 is 311025503.

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

It is a cyclic number.

It is not a de Polignac number, because 305520113 - 2⁶ = 305520049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (305520119) 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, 89720 + ... + 93062.

It is an arithmetic number, because the mean of its divisors is an integer number (38874000).

Almost surely, 2^305520113 is an apocalyptic number.

It is an amenable number.

305520113 is a deficient number, since it is larger than the sum of its proper divisors (5471887).

305520113 is a wasteful number, since it uses less digits than its factorization.

305520113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4951.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 305520113 is about 17479.1336455787. The cubic root of 305520113 is about 673.5139602712.

Adding to 305520113 its reverse (311025503), we get a palindrome (616545616).

The spelling of 305520113 in words is "three hundred five million, five hundred twenty thousand, one hundred thirteen".