2003551275 has 144 divisors (see below), whose sum is σ = 3942247680. Its totient is φ = 894432000.

The previous prime is 2003551243. The next prime is 2003551279. The reversal of 2003551275 is 5721553002.

It is not a de Polignac number, because 2003551275 - 2⁵ = 2003551243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003551279) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 6052860 + ... + 6053190.

It is an arithmetic number, because the mean of its divisors is an integer number (27376720).

Almost surely, 2^2003551275 is an apocalyptic number.

2003551275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2003551275 is a deficient number, since it is larger than the sum of its proper divisors (1938696405).

2003551275 is a wasteful number, since it uses less digits than its factorization.

2003551275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 2003551275 is about 44761.0464019777. The cubic root of 2003551275 is about 1260.6663299741. Note that the first 3 decimals are identical.

The spelling of 2003551275 in words is "two billion, three million, five hundred fifty-one thousand, two hundred seventy-five".