1063546321 has 2 divisors, whose sum is σ = 1063546322. Its totient is φ = 1063546320.

The previous prime is 1063546307. The next prime is 1063546327. The reversal of 1063546321 is 1236453601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 797497600 + 266048721 = 28240^2 + 16311^2 .

It is a cyclic number.

It is not a de Polignac number, because 1063546321 - 2¹⁹ = 1063022033 is a prime.

It is a super-2 number, since 2×1063546321² = 2262261553825270082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1063546327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 531773160 + 531773161.

It is an arithmetic number, because the mean of its divisors is an integer number (531773161).

Almost surely, 2^1063546321 is an apocalyptic number.

It is an amenable number.

1063546321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1063546321 is an equidigital number, since it uses as much as digits as its factorization.

1063546321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 1063546321 is about 32612.0579080806. The cubic root of 1063546321 is about 1020.7486241317.

Adding to 1063546321 its reverse (1236453601), we get a palindrome (2299999922).

The spelling of 1063546321 in words is "one billion, sixty-three million, five hundred forty-six thousand, three hundred twenty-one".