1061565 has 32 divisors (see below), whose sum is σ = 1886976. Its totient is φ = 506880.

The previous prime is 1061561. The next prime is 1061569. The reversal of 1061565 is 5651601.

It is an interprime number because it is at equal distance from previous prime (1061561) and next prime (1061569).

It is not a de Polignac number, because 1061565 - 2² = 1061561 is a prime.

It is a super-2 number, since 2×1061565² = 2253840498450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5775 + ... + 5955.

It is an arithmetic number, because the mean of its divisors is an integer number (58968).

2^1061565 is an apocalyptic number.

1061565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1061565 is a deficient number, since it is larger than the sum of its proper divisors (825411).

1061565 is a wasteful number, since it uses less digits than its factorization.

1061565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1061565 is about 1030.3227649625. The cubic root of 1061565 is about 102.0114366261.

The spelling of 1061565 in words is "one million, sixty-one thousand, five hundred sixty-five".