2545203003 has 16 divisors (see below), whose sum is σ = 3892724736. Its totient is φ = 1449031680.

The previous prime is 2545202983. The next prime is 2545203041. The reversal of 2545203003 is 3003025452.

It is not a de Polignac number, because 2545203003 - 2⁶ = 2545202939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2545203053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217926 + ... + 229307.

It is an arithmetic number, because the mean of its divisors is an integer number (243295296).

Almost surely, 2^2545203003 is an apocalyptic number.

2545203003 is a deficient number, since it is larger than the sum of its proper divisors (1347521733).

2545203003 is a wasteful number, since it uses less digits than its factorization.

2545203003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447514.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 2545203003 is about 50450.0049851335. The cubic root of 2545203003 is about 1365.3399848150.

Adding to 2545203003 its reverse (3003025452), we get a palindrome (5548228455).

The spelling of 2545203003 in words is "two billion, five hundred forty-five million, two hundred three thousand, three".