1282259625 has 32 divisors (see below), whose sum is σ = 2185747200. Its totient is φ = 667184000.

The previous prime is 1282259597. The next prime is 1282259633. The reversal of 1282259625 is 5269522821.

It is not a de Polignac number, because 1282259625 - 2⁹ = 1282259113 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26325 + ... + 57074.

It is an arithmetic number, because the mean of its divisors is an integer number (68304600).

Almost surely, 2^1282259625 is an apocalyptic number.

1282259625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1282259625 is a deficient number, since it is larger than the sum of its proper divisors (903487575).

1282259625 is an equidigital number, since it uses as much as digits as its factorization.

1282259625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83458 (or 83448 counting only the distinct ones).

The product of its digits is 172800, while the sum is 42.

The square root of 1282259625 is about 35808.6529347307. The cubic root of 1282259625 is about 1086.4055841570.

The spelling of 1282259625 in words is "one billion, two hundred eighty-two million, two hundred fifty-nine thousand, six hundred twenty-five".