2780255003 has 2 divisors, whose sum is σ = 2780255004. Its totient is φ = 2780255002.

The previous prime is 2780254957. The next prime is 2780255017. The reversal of 2780255003 is 3005520872.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2780255003 - 2¹⁰ = 2780253979 is a prime.

It is not a weakly prime, because it can be changed into another prime (2780255083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1390127501 + 1390127502.

It is an arithmetic number, because the mean of its divisors is an integer number (1390127502).

Almost surely, 2^2780255003 is an apocalyptic number.

2780255003 is a deficient number, since it is larger than the sum of its proper divisors (1).

2780255003 is an equidigital number, since it uses as much as digits as its factorization.

2780255003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 2780255003 is about 52728.1234541871. The cubic root of 2780255003 is about 1406.1388592118.

Adding to 2780255003 its reverse (3005520872), we get a palindrome (5785775875).

The spelling of 2780255003 in words is "two billion, seven hundred eighty million, two hundred fifty-five thousand, three".