2522578819 has 2 divisors, whose sum is σ = 2522578820. Its totient is φ = 2522578818.

The previous prime is 2522578787. The next prime is 2522578823. The reversal of 2522578819 is 9188752252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2522578819 - 2⁵ = 2522578787 is a prime.

It is a super-2 number, since 2×2522578819² = 12726807796134869522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2522578879) 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, 1261289409 + 1261289410.

It is an arithmetic number, because the mean of its divisors is an integer number (1261289410).

Almost surely, 2^2522578819 is an apocalyptic number.

2522578819 is a deficient number, since it is larger than the sum of its proper divisors (1).

2522578819 is an equidigital number, since it uses as much as digits as its factorization.

2522578819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 806400, while the sum is 49.

The square root of 2522578819 is about 50225.2806761694. The cubic root of 2522578819 is about 1361.2824586422.

The spelling of 2522578819 in words is "two billion, five hundred twenty-two million, five hundred seventy-eight thousand, eight hundred nineteen".