2554201021 has 2 divisors, whose sum is σ = 2554201022. Its totient is φ = 2554201020.

The previous prime is 2554201009. The next prime is 2554201031. The reversal of 2554201021 is 1201024552.

2554201021 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., 2219823225 + 334377796 = 47115^2 + 18286^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2554201021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2554200983 and 2554201001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2554201031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277100510 + 1277100511.

It is an arithmetic number, because the mean of its divisors is an integer number (1277100511).

Almost surely, 2^2554201021 is an apocalyptic number.

It is an amenable number.

2554201021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2554201021 is an equidigital number, since it uses as much as digits as its factorization.

2554201021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 2554201021 is about 50539.1038800650. The cubic root of 2554201021 is about 1366.9470478147.

Adding to 2554201021 its reverse (1201024552), we get a palindrome (3755225573).

The spelling of 2554201021 in words is "two billion, five hundred fifty-four million, two hundred one thousand, twenty-one".