1283203285325 has 24 divisors (see below), whose sum is σ = 1714120325736. Its totient is φ = 947291904000.

The previous prime is 1283203285313. The next prime is 1283203285337. The reversal of 1283203285325 is 5235823023821.

It is an interprime number because it is at equal distance from previous prime (1283203285313) and next prime (1283203285337).

It can be written as a sum of positive squares in 12 ways, for example, as 1015124761156 + 268078524169 = 1007534^2 + 517763^2 .

It is not a de Polignac number, because 1283203285325 - 2¹⁶ = 1283203219789 is a prime.

It is a super-2 number, since 2×1283203285325² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 381785 + ... + 1646865.

It is an arithmetic number, because the mean of its divisors is an integer number (71421680239).

Almost surely, 2^{1283203285325} is an apocalyptic number.

It is an amenable number.

1283203285325 is a deficient number, since it is larger than the sum of its proper divisors (430917040411).

1283203285325 is a wasteful number, since it uses less digits than its factorization.

1283203285325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268225 (or 1268220 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 1283203285325 in words is "one trillion, two hundred eighty-three billion, two hundred three million, two hundred eighty-five thousand, three hundred twenty-five".