1283383108225 has 27 divisors (see below), whose sum is σ = 1663763344579. Its totient is φ = 981967382000.

The previous prime is 1283383108223. The next prime is 1283383108243. The reversal of 1283383108225 is 5228013833821.

The square root of 1283383108225 is 1132865.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 462017918961 + 821365189264 = 679719^2 + 906292^2 .

It is not a de Polignac number, because 1283383108225 - 2¹ = 1283383108223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1283383108223) 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 26 ways as a sum of consecutive naturals, for example, 130274550 + ... + 130284400.

Almost surely, 2^{1283383108225} is an apocalyptic number.

1283383108225 is the 1132865-th square number.

1283383108225 is the 566433-rd centered octagonal number.

It is an amenable number.

1283383108225 is a deficient number, since it is larger than the sum of its proper divisors (380380236354).

1283383108225 is an frugal number, since it uses more digits than its factorization.

1283383108225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19758 (or 9879 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 1283383108225 in words is "one trillion, two hundred eighty-three billion, three hundred eighty-three million, one hundred eight thousand, two hundred twenty-five".