2551005203 has 2 divisors, whose sum is σ = 2551005204. Its totient is φ = 2551005202.

The previous prime is 2551005173. The next prime is 2551005239. The reversal of 2551005203 is 3025001552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2551005203 - 2⁶ = 2551005139 is a prime.

It is not a weakly prime, because it can be changed into another prime (2551005103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275502601 + 1275502602.

It is an arithmetic number, because the mean of its divisors is an integer number (1275502602).

Almost surely, 2^2551005203 is an apocalyptic number.

2551005203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2551005203 is an equidigital number, since it uses as much as digits as its factorization.

2551005203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 2551005203 is about 50507.4767039495. The cubic root of 2551005203 is about 1366.3767015270.

Adding to 2551005203 its reverse (3025001552), we get a palindrome (5576006755).

The spelling of 2551005203 in words is "two billion, five hundred fifty-one million, five thousand, two hundred three".