1002502305 has 128 divisors (see below), whose sum is σ = 2129587200. Its totient is φ = 437778432.

The previous prime is 1002502297. The next prime is 1002502327. The reversal of 1002502305 is 5032052001.

It is a happy number.

1002502305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1002502305 - 2³ = 1002502297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4302469 + ... + 4302701.

It is an arithmetic number, because the mean of its divisors is an integer number (16637400).

Almost surely, 2^1002502305 is an apocalyptic number.

1002502305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1002502305 is an abundant number, since it is smaller than the sum of its proper divisors (1127084895).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1002502305 is a wasteful number, since it uses less digits than its factorization.

1002502305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440 (or 434 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 1002502305 is about 31662.3167977329. The cubic root of 1002502305 is about 1000.8334069066.

Adding to 1002502305 its reverse (5032052001), we get a palindrome (6034554306).

The spelling of 1002502305 in words is "one billion, two million, five hundred two thousand, three hundred five".