1282631325 has 12 divisors (see below), whose sum is σ = 2120617248. Its totient is φ = 684070000.

The previous prime is 1282631321. The next prime is 1282631327. The reversal of 1282631325 is 5231362821.

It is not a de Polignac number, because 1282631325 - 2² = 1282631321 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1282631321) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 8550801 + ... + 8550950.

It is an arithmetic number, because the mean of its divisors is an integer number (176718104).

Almost surely, 2^1282631325 is an apocalyptic number.

1282631325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1282631325 is a deficient number, since it is larger than the sum of its proper divisors (837985923).

1282631325 is a wasteful number, since it uses less digits than its factorization.

1282631325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17101764 (or 17101759 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 1282631325 is about 35813.8426449885. The cubic root of 1282631325 is about 1086.5105493644.

The spelling of 1282631325 in words is "one billion, two hundred eighty-two million, six hundred thirty-one thousand, three hundred twenty-five".