1103133253 has 2 divisors, whose sum is σ = 1103133254. Its totient is φ = 1103133252.

The previous prime is 1103133209. The next prime is 1103133257. The reversal of 1103133253 is 3523313011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1097066884 + 6066369 = 33122^2 + 2463^2 .

It is an emirp because it is prime and its reverse (3523313011) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1103133253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103133257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551566626 + 551566627.

It is an arithmetic number, because the mean of its divisors is an integer number (551566627).

Almost surely, 2^1103133253 is an apocalyptic number.

It is an amenable number.

1103133253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103133253 is an equidigital number, since it uses as much as digits as its factorization.

1103133253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 1103133253 is about 33213.4498810346. The cubic root of 1103133253 is about 1033.2593059583.

Adding to 1103133253 its reverse (3523313011), we get a palindrome (4626446264).

The spelling of 1103133253 in words is "one billion, one hundred three million, one hundred thirty-three thousand, two hundred fifty-three".