1263882625 has 8 divisors (see below), whose sum is σ = 1577325672. Its totient is φ = 1011106000.

The previous prime is 1263882569. The next prime is 1263882647. The reversal of 1263882625 is 5262883621.

It can be written as a sum of positive squares in 4 ways, for example, as 86843761 + 1177038864 = 9319^2 + 34308^2 .

It is not a de Polignac number, because 1263882625 - 2⁷ = 1263882497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5055406 + ... + 5055655.

It is an arithmetic number, because the mean of its divisors is an integer number (197165709).

Almost surely, 2^1263882625 is an apocalyptic number.

It is an amenable number.

1263882625 is a deficient number, since it is larger than the sum of its proper divisors (313443047).

1263882625 is an equidigital number, since it uses as much as digits as its factorization.

1263882625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10111076 (or 10111066 counting only the distinct ones).

The product of its digits is 276480, while the sum is 43.

The square root of 1263882625 is about 35551.1269160346. The cubic root of 1263882625 is about 1081.1905666375.

The spelling of 1263882625 in words is "one billion, two hundred sixty-three million, eight hundred eighty-two thousand, six hundred twenty-five".