1153315217 has 2 divisors, whose sum is σ = 1153315218. Its totient is φ = 1153315216.

The previous prime is 1153315211. The next prime is 1153315253. The reversal of 1153315217 is 7125133511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 932019841 + 221295376 = 30529^2 + 14876^2 .

It is a cyclic number.

It is not a de Polignac number, because 1153315217 - 2²² = 1149120913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1153315217.

It is not a weakly prime, because it can be changed into another prime (1153315211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576657608 + 576657609.

It is an arithmetic number, because the mean of its divisors is an integer number (576657609).

Almost surely, 2^1153315217 is an apocalyptic number.

It is an amenable number.

1153315217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153315217 is an equidigital number, since it uses as much as digits as its factorization.

1153315217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3150, while the sum is 29.

The square root of 1153315217 is about 33960.4949463343. The cubic root of 1153315217 is about 1048.6953461943.

Adding to 1153315217 its reverse (7125133511), we get a palindrome (8278448728).

The spelling of 1153315217 in words is "one billion, one hundred fifty-three million, three hundred fifteen thousand, two hundred seventeen".