2545133203 has 4 divisors (see below), whose sum is σ = 2545234560. Its totient is φ = 2545031848.

The previous prime is 2545133191. The next prime is 2545133207. The reversal of 2545133203 is 3023315452.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2545133203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2545133207) 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, 18126 + ... + 73612.

It is an arithmetic number, because the mean of its divisors is an integer number (636308640).

Almost surely, 2^2545133203 is an apocalyptic number.

2545133203 is a deficient number, since it is larger than the sum of its proper divisors (101357).

2545133203 is an equidigital number, since it uses as much as digits as its factorization.

2545133203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101356.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 2545133203 is about 50449.3132064253. The cubic root of 2545133203 is about 1365.3275036099.

Adding to 2545133203 its reverse (3023315452), we get a palindrome (5568448655).

The spelling of 2545133203 in words is "two billion, five hundred forty-five million, one hundred thirty-three thousand, two hundred three".