4002505 has 16 divisors (see below), whose sum is σ = 5221440. Its totient is φ = 2927808.

The previous prime is 4002499. The next prime is 4002527. The reversal of 4002505 is 5052004.

It is a happy number.

4002505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4002505 - 2¹⁵ = 3969737 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8814 + ... + 9256.

It is an arithmetic number, because the mean of its divisors is an integer number (326340).

Almost surely, 2^4002505 is an apocalyptic number.

It is an amenable number.

4002505 is a deficient number, since it is larger than the sum of its proper divisors (1218935).

4002505 is a wasteful number, since it uses less digits than its factorization.

4002505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600.

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 4002505 is about 2000.6261519834. The cubic root of 4002505 is about 158.7732352788.

Adding to 4002505 its reverse (5052004), we get a palindrome (9054509).

The spelling of 4002505 in words is "four million, two thousand, five hundred five".