1253323133 has 2 divisors, whose sum is σ = 1253323134. Its totient is φ = 1253323132.

The previous prime is 1253323117. The next prime is 1253323177. The reversal of 1253323133 is 3313233521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1157224324 + 96098809 = 34018^2 + 9803^2 .

It is a cyclic number.

It is not a de Polignac number, because 1253323133 - 2⁴ = 1253323117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1253323333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626661566 + 626661567.

It is an arithmetic number, because the mean of its divisors is an integer number (626661567).

Almost surely, 2^1253323133 is an apocalyptic number.

It is an amenable number.

1253323133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253323133 is an equidigital number, since it uses as much as digits as its factorization.

1253323133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4860, while the sum is 26.

The square root of 1253323133 is about 35402.3040634363. The cubic root of 1253323133 is about 1078.1710967316.

Adding to 1253323133 its reverse (3313233521), we get a palindrome (4566556654).

The spelling of 1253323133 in words is "one billion, two hundred fifty-three million, three hundred twenty-three thousand, one hundred thirty-three".