2488855261 has 2 divisors, whose sum is σ = 2488855262. Its totient is φ = 2488855260.

The previous prime is 2488855253. The next prime is 2488855333. The reversal of 2488855261 is 1625588842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2320348900 + 168506361 = 48170^2 + 12981^2 .

It is a cyclic number.

It is not a de Polignac number, because 2488855261 - 2³ = 2488855253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2488855861) 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, 1244427630 + 1244427631.

It is an arithmetic number, because the mean of its divisors is an integer number (1244427631).

Almost surely, 2^2488855261 is an apocalyptic number.

It is an amenable number.

2488855261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2488855261 is an equidigital number, since it uses as much as digits as its factorization.

2488855261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1228800, while the sum is 49.

The square root of 2488855261 is about 49888.4281271719. The cubic root of 2488855261 is about 1355.1890389524.

The spelling of 2488855261 in words is "two billion, four hundred eighty-eight million, eight hundred fifty-five thousand, two hundred sixty-one".