1165526 has 4 divisors (see below), whose sum is σ = 1748292. Its totient is φ = 582762.

The previous prime is 1165511. The next prime is 1165529. The reversal of 1165526 is 6255611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6255611 = 61 ⋅102551.

It is a junction number, because it is equal to n+sod(n) for n = 1165495 and 1165504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 291380 + ... + 291383.

It is an arithmetic number, because the mean of its divisors is an integer number (437073).

2^1165526 is an apocalyptic number.

1165526 is a deficient number, since it is larger than the sum of its proper divisors (582766).

1165526 is an equidigital number, since it uses as much as digits as its factorization.

1165526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582765.

The product of its digits is 1800, while the sum is 26.

The square root of 1165526 is about 1079.5952945433. The cubic root of 1165526 is about 105.2383399123.

The spelling of 1165526 in words is "one million, one hundred sixty-five thousand, five hundred twenty-six".