253234540033 has 2 divisors, whose sum is σ = 253234540034. Its totient is φ = 253234540032.

The previous prime is 253234540019. The next prime is 253234540037. The reversal of 253234540033 is 330045432352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145277609409 + 107956930624 = 381153^2 + 328568^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253234540033 is a prime.

It is not a weakly prime, because it can be changed into another prime (253234540037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126617270016 + 126617270017.

It is an arithmetic number, because the mean of its divisors is an integer number (126617270017).

Almost surely, 2^253234540033 is an apocalyptic number.

It is an amenable number.

253234540033 is a deficient number, since it is larger than the sum of its proper divisors (1).

253234540033 is an equidigital number, since it uses as much as digits as its factorization.

253234540033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 34.

Adding to 253234540033 its reverse (330045432352), we get a palindrome (583279972385).

The spelling of 253234540033 in words is "two hundred fifty-three billion, two hundred thirty-four million, five hundred forty thousand, thirty-three".