1065521463 has 12 divisors (see below), whose sum is σ = 1499405688. Its totient is φ = 672960240.

The previous prime is 1065521459. The next prime is 1065521503. The reversal of 1065521463 is 3641255601.

It is not a de Polignac number, because 1065521463 - 2² = 1065521459 is a prime.

It is a super-2 number, since 2×1065521463² = 2270671976227320738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065521263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 490848 + ... + 493013.

It is an arithmetic number, because the mean of its divisors is an integer number (124950474).

Almost surely, 2^1065521463 is an apocalyptic number.

1065521463 is a deficient number, since it is larger than the sum of its proper divisors (433884225).

1065521463 is an equidigital number, since it uses as much as digits as its factorization.

1065521463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983902 (or 983883 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 1065521463 is about 32642.3262498248. The cubic root of 1065521463 is about 1021.3801204313.

The spelling of 1065521463 in words is "one billion, sixty-five million, five hundred twenty-one thousand, four hundred sixty-three".