1002505 has 8 divisors (see below), whose sum is σ = 1374912. Its totient is φ = 687408.

The previous prime is 1002503. The next prime is 1002511. The reversal of 1002505 is 5052001.

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

It is a cyclic number.

It is not a de Polignac number, because 1002505 - 2¹ = 1002503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14287 + ... + 14356.

It is an arithmetic number, because the mean of its divisors is an integer number (171864).

2^1002505 is an apocalyptic number.

It is an amenable number.

1002505 is a deficient number, since it is larger than the sum of its proper divisors (372407).

1002505 is an equidigital number, since it uses as much as digits as its factorization.

1002505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28655.

The product of its (nonzero) digits is 50, while the sum is 13.

The square root of 1002505 is about 1001.2517166028. The cubic root of 1002505 is about 100.0834303744.

Adding to 1002505 its reverse (5052001), we get a palindrome (6054506).

The spelling of 1002505 in words is "one million, two thousand, five hundred five".