1002550165 has 8 divisors (see below), whose sum is σ = 1203308928. Its totient is φ = 801874320.

The previous prime is 1002550147. The next prime is 1002550169. The reversal of 1002550165 is 5610552001.

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

It is not a de Polignac number, because 1002550165 - 2⁷ = 1002550037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002550169) 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, 10024 + ... + 45886.

It is an arithmetic number, because the mean of its divisors is an integer number (150413616).

Almost surely, 2^1002550165 is an apocalyptic number.

It is an amenable number.

1002550165 is a deficient number, since it is larger than the sum of its proper divisors (200758763).

1002550165 is an equidigital number, since it uses as much as digits as its factorization.

1002550165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41459.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 1002550165 is about 31663.0725767415. The cubic root of 1002550165 is about 1000.8493334285.

The spelling of 1002550165 in words is "one billion, two million, five hundred fifty thousand, one hundred sixty-five".