1063564361 has 2 divisors, whose sum is σ = 1063564362. Its totient is φ = 1063564360.

The previous prime is 1063564283. The next prime is 1063564379. The reversal of 1063564361 is 1634653601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 553707961 + 509856400 = 23531^2 + 22580^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1063564361 is a prime.

It is a super-2 number, since 2×1063564361² = 2262338299978676642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1063564261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 531782180 + 531782181.

It is an arithmetic number, because the mean of its divisors is an integer number (531782181).

Almost surely, 2^1063564361 is an apocalyptic number.

It is an amenable number.

1063564361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1063564361 is an equidigital number, since it uses as much as digits as its factorization.

1063564361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 1063564361 is about 32612.3344917226. The cubic root of 1063564361 is about 1020.7543954525.

The spelling of 1063564361 in words is "one billion, sixty-three million, five hundred sixty-four thousand, three hundred sixty-one".