4002052503 has 16 divisors (see below), whose sum is σ = 5367098880. Its totient is φ = 2652556224.

The previous prime is 4002052499. The next prime is 4002052543. The reversal of 4002052503 is 3052502004.

It is not a de Polignac number, because 4002052503 - 2² = 4002052499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4002052503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002052543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 498600 + ... + 506562.

It is an arithmetic number, because the mean of its divisors is an integer number (335443680).

Almost surely, 2^4002052503 is an apocalyptic number.

4002052503 is a deficient number, since it is larger than the sum of its proper divisors (1365046377).

4002052503 is a wasteful number, since it uses less digits than its factorization.

4002052503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8918.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 4002052503 is about 63261.7775833085. Note that the first 3 decimals coincide. The cubic root of 4002052503 is about 1587.6725176599.

Adding to 4002052503 its reverse (3052502004), we get a palindrome (7054554507).

The spelling of 4002052503 in words is "four billion, two million, fifty-two thousand, five hundred three".