1133021563 has 2 divisors, whose sum is σ = 1133021564. Its totient is φ = 1133021562.

The previous prime is 1133021551. The next prime is 1133021567. The reversal of 1133021563 is 3651203311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1133021563 - 2²¹ = 1130924411 is a prime.

It is not a weakly prime, because it can be changed into another prime (1133021567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566510781 + 566510782.

It is an arithmetic number, because the mean of its divisors is an integer number (566510782).

Almost surely, 2^1133021563 is an apocalyptic number.

1133021563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133021563 is an equidigital number, since it uses as much as digits as its factorization.

1133021563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 1133021563 is about 33660.3856632689. The cubic root of 1133021563 is about 1042.5079889049.

Adding to 1133021563 its reverse (3651203311), we get a palindrome (4784224874).

The spelling of 1133021563 in words is "one billion, one hundred thirty-three million, twenty-one thousand, five hundred sixty-three".