1063521317 has 4 divisors (see below), whose sum is σ = 1065333696. Its totient is φ = 1061708940.

The previous prime is 1063521313. The next prime is 1063521337. The reversal of 1063521317 is 7131253601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7131253601 = 43 ⋅165843107.

It is a cyclic number.

It is not a de Polignac number, because 1063521317 - 2² = 1063521313 is a prime.

It is a super-2 number, since 2×1063521317² = 2262155183426828978, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1063521317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1063521313) 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, 905309 + ... + 906482.

It is an arithmetic number, because the mean of its divisors is an integer number (266333424).

Almost surely, 2^1063521317 is an apocalyptic number.

It is an amenable number.

1063521317 is a deficient number, since it is larger than the sum of its proper divisors (1812379).

1063521317 is an equidigital number, since it uses as much as digits as its factorization.

1063521317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812378.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 1063521317 is about 32611.6745506881. The cubic root of 1063521317 is about 1020.7406247940.

Adding to 1063521317 its reverse (7131253601), we get a palindrome (8194774918).

The spelling of 1063521317 in words is "one billion, sixty-three million, five hundred twenty-one thousand, three hundred seventeen".