1133542523 has 2 divisors, whose sum is σ = 1133542524. Its totient is φ = 1133542522.

The previous prime is 1133542513. The next prime is 1133542549. The reversal of 1133542523 is 3252453311.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1133542523 - 2²² = 1129348219 is a prime.

It is not a weakly prime, because it can be changed into another prime (1133542513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566771261 + 566771262.

It is an arithmetic number, because the mean of its divisors is an integer number (566771262).

Almost surely, 2^1133542523 is an apocalyptic number.

1133542523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133542523 is an equidigital number, since it uses as much as digits as its factorization.

1133542523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 29.

The square root of 1133542523 is about 33668.1232473686. The cubic root of 1133542523 is about 1042.6677451301.

Adding to 1133542523 its reverse (3252453311), we get a palindrome (4385995834).

The spelling of 1133542523 in words is "one billion, one hundred thirty-three million, five hundred forty-two thousand, five hundred twenty-three".