1065520826 has 4 divisors (see below), whose sum is σ = 1598281242. Its totient is φ = 532760412.

The previous prime is 1065520823. The next prime is 1065520837. The reversal of 1065520826 is 6280255601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6280255601 = 5623 ⋅1116887.

It can be written as a sum of positive squares in only one way, i.e., 1027266601 + 38254225 = 32051^2 + 6185^2 .

It is a super-2 number, since 2×1065520826² = 2270669261279444552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1065520823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266380205 + ... + 266380208.

Almost surely, 2^1065520826 is an apocalyptic number.

1065520826 is a deficient number, since it is larger than the sum of its proper divisors (532760416).

1065520826 is an equidigital number, since it uses as much as digits as its factorization.

1065520826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532760415.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 1065520826 is about 32642.3164925530. The cubic root of 1065520826 is about 1021.3799168942.

The spelling of 1065520826 in words is "one billion, sixty-five million, five hundred twenty thousand, eight hundred twenty-six".