2002401503 has 4 divisors (see below), whose sum is σ = 2002536168. Its totient is φ = 2002266840.

The previous prime is 2002401497. The next prime is 2002401521. The reversal of 2002401503 is 3051042002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2002401503 - 2³⁰ = 928659679 is a prime.

It is a super-2 number, since 2×2002401503² = 8019223558433318018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002401523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41801 + ... + 75842.

It is an arithmetic number, because the mean of its divisors is an integer number (500634042).

Almost surely, 2^2002401503 is an apocalyptic number.

2002401503 is a deficient number, since it is larger than the sum of its proper divisors (134665).

2002401503 is a wasteful number, since it uses less digits than its factorization.

2002401503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134664.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2002401503 is about 44748.2011146817. The cubic root of 2002401503 is about 1260.4251322197.

Adding to 2002401503 its reverse (3051042002), we get a palindrome (5053443505).

The spelling of 2002401503 in words is "two billion, two million, four hundred one thousand, five hundred three".