1002505332 has 12 divisors (see below), whose sum is σ = 2339179136. Its totient is φ = 334168440.

The previous prime is 1002505319. The next prime is 1002505333. The reversal of 1002505332 is 2335052001.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1002505299 and 1002505308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002505333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41771044 + ... + 41771067.

Almost surely, 2^1002505332 is an apocalyptic number.

1002505332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1002505332 is an abundant number, since it is smaller than the sum of its proper divisors (1336673804).

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

1002505332 is a wasteful number, since it uses less digits than its factorization.

1002505332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83542118 (or 83542116 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 1002505332 is about 31662.3645989999. The cubic root of 1002505332 is about 1000.8344142259.

Adding to 1002505332 its reverse (2335052001), we get a palindrome (3337557333).

The spelling of 1002505332 in words is "one billion, two million, five hundred five thousand, three hundred thirty-two".