2555103217 has 2 divisors, whose sum is σ = 2555103218. Its totient is φ = 2555103216.

The previous prime is 2555103211. The next prime is 2555103227. The reversal of 2555103217 is 7123015552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1830470656 + 724632561 = 42784^2 + 26919^2 .

It is a cyclic number.

It is not a de Polignac number, because 2555103217 - 2³ = 2555103209 is a prime.

It is not a weakly prime, because it can be changed into another prime (2555103211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277551608 + 1277551609.

It is an arithmetic number, because the mean of its divisors is an integer number (1277551609).

Almost surely, 2^2555103217 is an apocalyptic number.

It is an amenable number.

2555103217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555103217 is an equidigital number, since it uses as much as digits as its factorization.

2555103217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 2555103217 is about 50548.0288141882. The cubic root of 2555103217 is about 1367.1079734131.

Adding to 2555103217 its reverse (7123015552), we get a palindrome (9678118769).

The spelling of 2555103217 in words is "two billion, five hundred fifty-five million, one hundred three thousand, two hundred seventeen".