1153532489 has 2 divisors, whose sum is σ = 1153532490. Its totient is φ = 1153532488.

The previous prime is 1153532459. The next prime is 1153532519. The reversal of 1153532489 is 9842353511.

It is a balanced prime because it is at equal distance from previous prime (1153532459) and next prime (1153532519).

It can be written as a sum of positive squares in only one way, i.e., 1043806864 + 109725625 = 32308^2 + 10475^2 .

It is an emirp because it is prime and its reverse (9842353511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1153532489 - 2²⁴ = 1136755273 is a prime.

It is not a weakly prime, because it can be changed into another prime (1153532459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576766244 + 576766245.

It is an arithmetic number, because the mean of its divisors is an integer number (576766245).

Almost surely, 2^1153532489 is an apocalyptic number.

It is an amenable number.

1153532489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153532489 is an equidigital number, since it uses as much as digits as its factorization.

1153532489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 41.

The square root of 1153532489 is about 33963.6936889968. The cubic root of 1153532489 is about 1048.7611963121.

The spelling of 1153532489 in words is "one billion, one hundred fifty-three million, five hundred thirty-two thousand, four hundred eighty-nine".