1002065506 has 16 divisors (see below), whose sum is σ = 1620396288. Its totient is φ = 462013200.

The previous prime is 1002065443. The next prime is 1002065513. The reversal of 1002065506 is 6055602001.

It is an unprimeable number.

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, 6321 + ... + 45211.

It is an arithmetic number, because the mean of its divisors is an integer number (101274768).

Almost surely, 2^1002065506 is an apocalyptic number.

1002065506 is a deficient number, since it is larger than the sum of its proper divisors (618330782).

1002065506 is a wasteful number, since it uses less digits than its factorization.

1002065506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39897.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1002065506 is about 31655.4182723906. The cubic root of 1002065506 is about 1000.6880285082.

Adding to 1002065506 its reverse (6055602001), we get a palindrome (7057667507).

The spelling of 1002065506 in words is "one billion, two million, sixty-five thousand, five hundred six".