2522663887 has 2 divisors, whose sum is σ = 2522663888. Its totient is φ = 2522663886.

The previous prime is 2522663863. The next prime is 2522663909. The reversal of 2522663887 is 7883662252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2522663887 - 2²³ = 2514275279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2522663887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2522663837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1261331943 + 1261331944.

It is an arithmetic number, because the mean of its divisors is an integer number (1261331944).

Almost surely, 2^2522663887 is an apocalyptic number.

2522663887 is a deficient number, since it is larger than the sum of its proper divisors (1).

2522663887 is an equidigital number, since it uses as much as digits as its factorization.

2522663887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 49.

The square root of 2522663887 is about 50226.1275333864. The cubic root of 2522663887 is about 1361.2977604799.

The spelling of 2522663887 in words is "two billion, five hundred twenty-two million, six hundred sixty-three thousand, eight hundred eighty-seven".