1133621317 has 2 divisors, whose sum is σ = 1133621318. Its totient is φ = 1133621316.

The previous prime is 1133621297. The next prime is 1133621327. The reversal of 1133621317 is 7131263311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1055015361 + 78605956 = 32481^2 + 8866^2 .

It is an emirp because it is prime and its reverse (7131263311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1133621317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1133621327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566810658 + 566810659.

It is an arithmetic number, because the mean of its divisors is an integer number (566810659).

Almost surely, 2^1133621317 is an apocalyptic number.

It is an amenable number.

1133621317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133621317 is an equidigital number, since it uses as much as digits as its factorization.

1133621317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 28.

The square root of 1133621317 is about 33669.2933843287. The cubic root of 1133621317 is about 1042.6919036294.

Adding to 1133621317 its reverse (7131263311), we get a palindrome (8264884628).

The spelling of 1133621317 in words is "one billion, one hundred thirty-three million, six hundred twenty-one thousand, three hundred seventeen".