1153153321 has 2 divisors, whose sum is σ = 1153153322. Its totient is φ = 1153153320.

The previous prime is 1153153291. The next prime is 1153153373. The reversal of 1153153321 is 1233513511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 994519296 + 158634025 = 31536^2 + 12595^2 .

It is a cyclic number.

It is not a de Polignac number, because 1153153321 - 2¹³ = 1153145129 is a prime.

It is not a weakly prime, because it can be changed into another prime (1153153381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576576660 + 576576661.

It is an arithmetic number, because the mean of its divisors is an integer number (576576661).

Almost surely, 2^1153153321 is an apocalyptic number.

It is an amenable number.

1153153321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153153321 is an equidigital number, since it uses as much as digits as its factorization.

1153153321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1350, while the sum is 25.

The square root of 1153153321 is about 33958.1112696216. Note that the first 3 decimals coincide. The cubic root of 1153153321 is about 1048.6462738840.

Adding to 1153153321 its reverse (1233513511), we get a palindrome (2386666832).

The spelling of 1153153321 in words is "one billion, one hundred fifty-three million, one hundred fifty-three thousand, three hundred twenty-one".