1130521253 has 2 divisors, whose sum is σ = 1130521254. Its totient is φ = 1130521252.

The previous prime is 1130521241. The next prime is 1130521279. The reversal of 1130521253 is 3521250311.

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., 1130438884 + 82369 = 33622^2 + 287^2 .

It is an emirp because it is prime and its reverse (3521250311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1130521253 - 2²⁰ = 1129472677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1130821253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565260626 + 565260627.

It is an arithmetic number, because the mean of its divisors is an integer number (565260627).

Almost surely, 2^1130521253 is an apocalyptic number.

It is an amenable number.

1130521253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130521253 is an equidigital number, since it uses as much as digits as its factorization.

1130521253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1130521253 is about 33623.2249048184. The cubic root of 1130521253 is about 1041.7405681230.

Adding to 1130521253 its reverse (3521250311), we get a palindrome (4651771564).

The spelling of 1130521253 in words is "one billion, one hundred thirty million, five hundred twenty-one thousand, two hundred fifty-three".