1153563013 has 2 divisors, whose sum is σ = 1153563014. Its totient is φ = 1153563012.

The previous prime is 1153563011. The next prime is 1153563029. The reversal of 1153563013 is 3103653511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 619860609 + 533702404 = 24897^2 + 23102^2 .

It is a cyclic number.

It is not a de Polignac number, because 1153563013 - 2¹ = 1153563011 is a prime.

Together with 1153563011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1153563011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576781506 + 576781507.

It is an arithmetic number, because the mean of its divisors is an integer number (576781507).

Almost surely, 2^1153563013 is an apocalyptic number.

It is an amenable number.

1153563013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153563013 is an equidigital number, since it uses as much as digits as its factorization.

1153563013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 1153563013 is about 33964.1430482207. The cubic root of 1153563013 is about 1048.7704467680.

The spelling of 1153563013 in words is "one billion, one hundred fifty-three million, five hundred sixty-three thousand, thirteen".