1065523331 has 4 divisors (see below), whose sum is σ = 1128201192. Its totient is φ = 1002845472.

The previous prime is 1065523321. The next prime is 1065523337. The reversal of 1065523331 is 1333255601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1065523331 - 2⁶ = 1065523267 is a prime.

It is a super-2 number, since 2×1065523331² = 2270679937810671122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1065523294 and 1065523303.

It is not an unprimeable number, because it can be changed into a prime (1065523337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31338905 + ... + 31338938.

It is an arithmetic number, because the mean of its divisors is an integer number (282050298).

Almost surely, 2^1065523331 is an apocalyptic number.

1065523331 is a deficient number, since it is larger than the sum of its proper divisors (62677861).

1065523331 is an equidigital number, since it uses as much as digits as its factorization.

1065523331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62677860.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 1065523331 is about 32642.3548629691. The cubic root of 1065523331 is about 1021.3807173024.

Adding to 1065523331 its reverse (1333255601), we get a palindrome (2398778932).

The spelling of 1065523331 in words is "one billion, sixty-five million, five hundred twenty-three thousand, three hundred thirty-one".