1282525 has 18 divisors (see below), whose sum is σ = 1674062. Its totient is φ = 974400.

The previous prime is 1282517. The next prime is 1282529. The reversal of 1282525 is 5252821.

It can be written as a sum of positive squares in 9 ways, for example, as 675684 + 606841 = 822^2 + 779^2 .

It is not a de Polignac number, because 1282525 - 2³ = 1282517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 1282525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1282529) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 20995 + ... + 21055.

2^1282525 is an apocalyptic number.

It is an amenable number.

1282525 is a deficient number, since it is larger than the sum of its proper divisors (391537).

1282525 is an equidigital number, since it uses as much as digits as its factorization.

1282525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 95 counting only the distinct ones).

The product of its digits is 1600, while the sum is 25.

The square root of 1282525 is about 1132.4862030065. The cubic root of 1282525 is about 108.6480526077.

The spelling of 1282525 in words is "one million, two hundred eighty-two thousand, five hundred twenty-five".