2500500803 has 2 divisors, whose sum is σ = 2500500804. Its totient is φ = 2500500802.

The previous prime is 2500500799. The next prime is 2500500809. The reversal of 2500500803 is 3080050052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2500500803 - 2² = 2500500799 is a prime.

It is not a weakly prime, because it can be changed into another prime (2500500809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250250401 + 1250250402.

It is an arithmetic number, because the mean of its divisors is an integer number (1250250402).

Almost surely, 2^2500500803 is an apocalyptic number.

2500500803 is a deficient number, since it is larger than the sum of its proper divisors (1).

2500500803 is an equidigital number, since it uses as much as digits as its factorization.

2500500803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2500500803 is about 50005.0077792215. The cubic root of 2500500803 is about 1357.2994281457.

Adding to 2500500803 its reverse (3080050052), we get a palindrome (5580550855).

The spelling of 2500500803 in words is "two billion, five hundred million, five hundred thousand, eight hundred three".