1133539597 has 2 divisors, whose sum is σ = 1133539598. Its totient is φ = 1133539596.

The previous prime is 1133539591. The next prime is 1133539607. The reversal of 1133539597 is 7959353311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1114825321 + 18714276 = 33389^2 + 4326^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1133539597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1133539591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566769798 + 566769799.

It is an arithmetic number, because the mean of its divisors is an integer number (566769799).

Almost surely, 2^1133539597 is an apocalyptic number.

It is an amenable number.

1133539597 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133539597 is an equidigital number, since it uses as much as digits as its factorization.

1133539597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 382725, while the sum is 46.

The square root of 1133539597 is about 33668.0797937750. The cubic root of 1133539597 is about 1042.6668479873. Note that the first 3 decimals are identical.

The spelling of 1133539597 in words is "one billion, one hundred thirty-three million, five hundred thirty-nine thousand, five hundred ninety-seven".