1064565 has 24 divisors (see below), whose sum is σ = 1893528. Its totient is φ = 552960.

The previous prime is 1064549. The next prime is 1064587. The reversal of 1064565 is 5654601.

It is a happy number.

1064565 is a `hidden beast` number, since 10 + 645 + 6 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 154449 + 910116 = 393^2 + 954^2 .

It is not a de Polignac number, because 1064565 - 2⁴ = 1064549 is a prime.

It is a super-2 number, since 2×1064565² = 2266597278450, which contains 22 as substring.

1064565 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1557 + ... + 2133.

It is an arithmetic number, because the mean of its divisors is an integer number (78897).

2^1064565 is an apocalyptic number.

1064565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1064565 is a deficient number, since it is larger than the sum of its proper divisors (828963).

1064565 is a wasteful number, since it uses less digits than its factorization.

1064565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1064565 is about 1031.7775923134. Note that the first 3 decimals coincide. The cubic root of 1064565 is about 102.1074415734.

The spelling of 1064565 in words is "one million, sixty-four thousand, five hundred sixty-five".