1283525 has 6 divisors (see below), whose sum is σ = 1591602. Its totient is φ = 1026800.

The previous prime is 1283521. The next prime is 1283537. The reversal of 1283525 is 5253821.

It can be written as a sum of positive squares in 3 ways, for example, as 214369 + 1069156 = 463^2 + 1034^2 .

It is not a de Polignac number, because 1283525 - 2² = 1283521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1283494 and 1283503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283521) 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 5 ways as a sum of consecutive naturals, for example, 25646 + ... + 25695.

It is an arithmetic number, because the mean of its divisors is an integer number (265267).

2^1283525 is an apocalyptic number.

It is an amenable number.

1283525 is a deficient number, since it is larger than the sum of its proper divisors (308077).

1283525 is an equidigital number, since it uses as much as digits as its factorization.

1283525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51351 (or 51346 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 1283525 is about 1132.9276234606. The cubic root of 1283525 is about 108.6762833314.

The spelling of 1283525 in words is "one million, two hundred eighty-three thousand, five hundred twenty-five".