8520304003 has 4 divisors (see below), whose sum is σ = 8522108928. Its totient is φ = 8518499080.

The previous prime is 8520303941. The next prime is 8520304049. The reversal of 8520304003 is 3004030258.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3004030258 = 2 ⋅1502015129.

It is a cyclic number.

It is not a de Polignac number, because 8520304003 - 2¹³ = 8520295811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8520304063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 895363 + ... + 904828.

It is an arithmetic number, because the mean of its divisors is an integer number (2130527232).

Almost surely, 2^8520304003 is an apocalyptic number.

8520304003 is a deficient number, since it is larger than the sum of its proper divisors (1804925).

8520304003 is a wasteful number, since it uses less digits than its factorization.

8520304003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804924.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 8520304003 is about 92305.4928105581. The cubic root of 8520304003 is about 2042.4512379724.

The spelling of 8520304003 in words is "eight billion, five hundred twenty million, three hundred four thousand, three".