253205215033 has 2 divisors, whose sum is σ = 253205215034. Its totient is φ = 253205215032.

The previous prime is 253205215007. The next prime is 253205215057. The reversal of 253205215033 is 330512502352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150258567424 + 102946647609 = 387632^2 + 320853^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253205215033 is a prime.

It is a super-2 number, since 2×253205215033² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 253205214986 and 253205215004.

It is not a weakly prime, because it can be changed into another prime (253205215093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126602607516 + 126602607517.

It is an arithmetic number, because the mean of its divisors is an integer number (126602607517).

Almost surely, 2^253205215033 is an apocalyptic number.

It is an amenable number.

253205215033 is a deficient number, since it is larger than the sum of its proper divisors (1).

253205215033 is an equidigital number, since it uses as much as digits as its factorization.

253205215033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 31.

Adding to 253205215033 its reverse (330512502352), we get a palindrome (583717717385).

The spelling of 253205215033 in words is "two hundred fifty-three billion, two hundred five million, two hundred fifteen thousand, thirty-three".