2003525155 has 8 divisors (see below), whose sum is σ = 2404557792. Its totient is φ = 1602601728.

The previous prime is 2003525141. The next prime is 2003525159. The reversal of 2003525155 is 5515253002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2003525155 is a prime.

It is a super-2 number, since 2×2003525155² = 8028226093435548050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2003525159) 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 7 ways as a sum of consecutive naturals, for example, 20754 + ... + 66616.

It is an arithmetic number, because the mean of its divisors is an integer number (300569724).

Almost surely, 2^2003525155 is an apocalyptic number.

2003525155 is a deficient number, since it is larger than the sum of its proper divisors (401032637).

2003525155 is an equidigital number, since it uses as much as digits as its factorization.

2003525155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54605.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 2003525155 is about 44760.7546294742. The cubic root of 2003525155 is about 1260.6608515771.

Adding to 2003525155 its reverse (5515253002), we get a palindrome (7518778157).

The spelling of 2003525155 in words is "two billion, three million, five hundred twenty-five thousand, one hundred fifty-five".