2654305021 has 2 divisors, whose sum is σ = 2654305022. Its totient is φ = 2654305020.

The previous prime is 2654304977. The next prime is 2654305063. The reversal of 2654305021 is 1205034562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2653795225 + 509796 = 51515^2 + 714^2 .

It is a cyclic number.

It is not a de Polignac number, because 2654305021 - 2⁹ = 2654304509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2654305091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1327152510 + 1327152511.

It is an arithmetic number, because the mean of its divisors is an integer number (1327152511).

Almost surely, 2^2654305021 is an apocalyptic number.

It is an amenable number.

2654305021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2654305021 is an equidigital number, since it uses as much as digits as its factorization.

2654305021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2654305021 is about 51519.9477969456. The cubic root of 2654305021 is about 1384.5764575268.

Adding to 2654305021 its reverse (1205034562), we get a palindrome (3859339583).

The spelling of 2654305021 in words is "two billion, six hundred fifty-four million, three hundred five thousand, twenty-one".