2455388281 has 2 divisors, whose sum is σ = 2455388282. Its totient is φ = 2455388280.

The previous prime is 2455388233. The next prime is 2455388321. The reversal of 2455388281 is 1828835542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2300161600 + 155226681 = 47960^2 + 12459^2 .

It is a cyclic number.

It is not a de Polignac number, because 2455388281 - 2⁹ = 2455387769 is a prime.

It is a super-2 number, since 2×2455388281² = 12057863220944269922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2456388281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1227694140 + 1227694141.

It is an arithmetic number, because the mean of its divisors is an integer number (1227694141).

Almost surely, 2^2455388281 is an apocalyptic number.

It is an amenable number.

2455388281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2455388281 is an equidigital number, since it uses as much as digits as its factorization.

2455388281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 614400, while the sum is 46.

The square root of 2455388281 is about 49551.8746466771. The cubic root of 2455388281 is about 1349.0873174491.

The spelling of 2455388281 in words is "two billion, four hundred fifty-five million, three hundred eighty-eight thousand, two hundred eighty-one".