1283025 has 12 divisors (see below), whose sum is σ = 2121392. Its totient is φ = 684240.

The previous prime is 1283021. The next prime is 1283027. The reversal of 1283025 is 5203821.

It is not a de Polignac number, because 1283025 - 2² = 1283021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1282992 and 1283010.

It is not an unprimeable number, because it can be changed into a prime (1283021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8479 + ... + 8628.

2^1283025 is an apocalyptic number.

1283025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1283025 is a deficient number, since it is larger than the sum of its proper divisors (838367).

1283025 is a wasteful number, since it uses less digits than its factorization.

1283025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17120 (or 17115 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1283025 is about 1132.7069347364. The cubic root of 1283025 is about 108.6621698032.

Adding to 1283025 its reverse (5203821), we get a palindrome (6486846).

The spelling of 1283025 in words is "one million, two hundred eighty-three thousand, twenty-five".