1133145253 has 2 divisors, whose sum is σ = 1133145254. Its totient is φ = 1133145252.

The previous prime is 1133145227. The next prime is 1133145337. The reversal of 1133145253 is 3525413311.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 660387204 + 472758049 = 25698^2 + 21743^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1133145253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1133148253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566572626 + 566572627.

It is an arithmetic number, because the mean of its divisors is an integer number (566572627).

Almost surely, 2^1133145253 is an apocalyptic number.

It is an amenable number.

1133145253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133145253 is an equidigital number, since it uses as much as digits as its factorization.

1133145253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 28.

The square root of 1133145253 is about 33662.2229361045. Note that the first 3 decimals coincide. The cubic root of 1133145253 is about 1042.5459237879.

Adding to 1133145253 its reverse (3525413311), we get a palindrome (4658558564).

The spelling of 1133145253 in words is "one billion, one hundred thirty-three million, one hundred forty-five thousand, two hundred fifty-three".