2555301421 has 2 divisors, whose sum is σ = 2555301422. Its totient is φ = 2555301420.

The previous prime is 2555301377. The next prime is 2555301439. The reversal of 2555301421 is 1241035552.

2555301421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2393655625 + 161645796 = 48925^2 + 12714^2 .

It is a cyclic number.

It is not a de Polignac number, because 2555301421 - 2¹⁹ = 2554777133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2555301421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2555301451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277650710 + 1277650711.

It is an arithmetic number, because the mean of its divisors is an integer number (1277650711).

Almost surely, 2^2555301421 is an apocalyptic number.

It is an amenable number.

2555301421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555301421 is an equidigital number, since it uses as much as digits as its factorization.

2555301421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 2555301421 is about 50549.9893273975. The cubic root of 2555301421 is about 1367.1433221824.

Adding to 2555301421 its reverse (1241035552), we get a palindrome (3796336973).

The spelling of 2555301421 in words is "two billion, five hundred fifty-five million, three hundred one thousand, four hundred twenty-one".