2003545051 has 8 divisors (see below), whose sum is σ = 2028640320. Its totient is φ = 1978472712.

The previous prime is 2003545009. The next prime is 2003545057. The reversal of 2003545051 is 1505453002.

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

It is a cyclic number.

It is not a de Polignac number, because 2003545051 - 2⁷ = 2003544923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2003545057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229696 + ... + 238258.

It is an arithmetic number, because the mean of its divisors is an integer number (253580040).

Almost surely, 2^2003545051 is an apocalyptic number.

2003545051 is a deficient number, since it is larger than the sum of its proper divisors (25095269).

2003545051 is an equidigital number, since it uses as much as digits as its factorization.

2003545051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11465.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 2003545051 is about 44760.9768771862. The cubic root of 2003545051 is about 1260.6650245595.

Adding to 2003545051 its reverse (1505453002), we get a palindrome (3508998053).

The spelling of 2003545051 in words is "two billion, three million, five hundred forty-five thousand, fifty-one".