2663705525 has 12 divisors (see below), whose sum is σ = 3557071812. Its totient is φ = 1967043840.

The previous prime is 2663705497. The next prime is 2663705531. The reversal of 2663705525 is 5255073662.

It can be written as a sum of positive squares in 6 ways, for example, as 775455409 + 1888250116 = 27847^2 + 43454^2 .

It is not a de Polignac number, because 2663705525 - 2¹⁴ = 2663689141 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 4097684 + ... + 4098333.

It is an arithmetic number, because the mean of its divisors is an integer number (296422651).

Almost surely, 2^2663705525 is an apocalyptic number.

2663705525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2663705525 is a deficient number, since it is larger than the sum of its proper divisors (893366287).

2663705525 is a wasteful number, since it uses less digits than its factorization.

2663705525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8196040 (or 8196035 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 41.

The square root of 2663705525 is about 51611.0988548006. The cubic root of 2663705525 is about 1386.2090733553.

The spelling of 2663705525 in words is "two billion, six hundred sixty-three million, seven hundred five thousand, five hundred twenty-five".