1002485205 has 24 divisors (see below), whose sum is σ = 1758583008. Its totient is φ = 528215136.

The previous prime is 1002485191. The next prime is 1002485207. The reversal of 1002485205 is 5025842001.

It is a happy number.

It is not a de Polignac number, because 1002485205 - 2⁵ = 1002485173 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002485207) 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 23 ways as a sum of consecutive naturals, for example, 130467 + ... + 137936.

It is an arithmetic number, because the mean of its divisors is an integer number (73274292).

Almost surely, 2^1002485205 is an apocalyptic number.

1002485205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1002485205 is a deficient number, since it is larger than the sum of its proper divisors (756097803).

1002485205 is a wasteful number, since it uses less digits than its factorization.

1002485205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268497 (or 268494 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 1002485205 is about 31662.0467594879. The cubic root of 1002485205 is about 1000.8277163633.

The spelling of 1002485205 in words is "one billion, two million, four hundred eighty-five thousand, two hundred five".