1153983617 has 2 divisors, whose sum is σ = 1153983618. Its totient is φ = 1153983616.

The previous prime is 1153983599. The next prime is 1153983653. The reversal of 1153983617 is 7163893511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 965717776 + 188265841 = 31076^2 + 13721^2 .

It is a cyclic number.

It is not a de Polignac number, because 1153983617 - 2⁸ = 1153983361 is a prime.

It is not a weakly prime, because it can be changed into another prime (1153983317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576991808 + 576991809.

It is an arithmetic number, because the mean of its divisors is an integer number (576991809).

Almost surely, 2^1153983617 is an apocalyptic number.

It is an amenable number.

1153983617 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153983617 is an equidigital number, since it uses as much as digits as its factorization.

1153983617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 44.

The square root of 1153983617 is about 33970.3343669149. The cubic root of 1153983617 is about 1048.8978963708.

The spelling of 1153983617 in words is "one billion, one hundred fifty-three million, nine hundred eighty-three thousand, six hundred seventeen".