1006265 has 16 divisors (see below), whose sum is σ = 1321488. Its totient is φ = 731136.

The previous prime is 1006253. The next prime is 1006267. The reversal of 1006265 is 5626001.

1006265 = 91² + 92² + ... + 155².

It can be written as a sum of positive squares in 8 ways, for example, as 273529 + 732736 = 523^2 + 856^2 .

It is a cyclic number.

It is not a de Polignac number, because 1006265 - 2⁴ = 1006249 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1006267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7277 + ... + 7413.

It is an arithmetic number, because the mean of its divisors is an integer number (82593).

2^1006265 is an apocalyptic number.

It is an amenable number.

1006265 is a deficient number, since it is larger than the sum of its proper divisors (315223).

1006265 is a wasteful number, since it uses less digits than its factorization.

1006265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1006265 is about 1003.1276090309. The cubic root of 1006265 is about 100.2083987313.

The spelling of 1006265 in words is "one million, six thousand, two hundred sixty-five".