1063521353 has 4 divisors (see below), whose sum is σ = 1063908480. Its totient is φ = 1063134228.

The previous prime is 1063521337. The next prime is 1063521367. The reversal of 1063521353 is 3531253601.

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.

It is a cyclic number.

It is not a de Polignac number, because 1063521353 - 2⁴ = 1063521337 is a prime.

It is a super-2 number, since 2×1063521353² = 2262155336573901218, which contains 22 as substring.

It is a Duffinian 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, 189413 + ... + 194946.

It is an arithmetic number, because the mean of its divisors is an integer number (265977120).

Almost surely, 2^1063521353 is an apocalyptic number.

It is an amenable number.

1063521353 is a deficient number, since it is larger than the sum of its proper divisors (387127).

1063521353 is an equidigital number, since it uses as much as digits as its factorization.

1063521353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387126.

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

The square root of 1063521353 is about 32611.6751026377. The cubic root of 1063521353 is about 1020.7406363113.

Adding to 1063521353 its reverse (3531253601), we get a palindrome (4594774954).

The spelling of 1063521353 in words is "one billion, sixty-three million, five hundred twenty-one thousand, three hundred fifty-three".