2003525143 has 4 divisors (see below), whose sum is σ = 2021255568. Its totient is φ = 1985794720.

The previous prime is 2003525141. The next prime is 2003525159. The reversal of 2003525143 is 3415253002.

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 2003525143 - 2¹ = 2003525141 is a prime.

It is a super-2 number, since 2×2003525143² = 8028225997266340898, 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 (2003525141) 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, 8865043 + ... + 8865268.

It is an arithmetic number, because the mean of its divisors is an integer number (505313892).

Almost surely, 2^2003525143 is an apocalyptic number.

2003525143 is a deficient number, since it is larger than the sum of its proper divisors (17730425).

2003525143 is a wasteful number, since it uses less digits than its factorization.

2003525143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17730424.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2003525143 is about 44760.7544954282. The cubic root of 2003525143 is about 1260.6608490603.

Adding to 2003525143 its reverse (3415253002), we get a palindrome (5418778145).

The spelling of 2003525143 in words is "two billion, three million, five hundred twenty-five thousand, one hundred forty-three".