2525378663 has 2 divisors, whose sum is σ = 2525378664. Its totient is φ = 2525378662.

The previous prime is 2525378659. The next prime is 2525378683. The reversal of 2525378663 is 3668735252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2525378663 - 2² = 2525378659 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2525378683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1262689331 + 1262689332.

It is an arithmetic number, because the mean of its divisors is an integer number (1262689332).

Almost surely, 2^2525378663 is an apocalyptic number.

2525378663 is a deficient number, since it is larger than the sum of its proper divisors (1).

2525378663 is an equidigital number, since it uses as much as digits as its factorization.

2525378663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1814400, while the sum is 47.

The square root of 2525378663 is about 50253.1458020292. The cubic root of 2525378663 is about 1361.7859076345.

The spelling of 2525378663 in words is "two billion, five hundred twenty-five million, three hundred seventy-eight thousand, six hundred sixty-three".