252021260633 has 2 divisors, whose sum is σ = 252021260634. Its totient is φ = 252021260632.

The previous prime is 252021260611. The next prime is 252021260641. The reversal of 252021260633 is 336062120252.

252021260633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 248570050624 + 3451210009 = 498568^2 + 58747^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252021260633 is a prime.

It is a super-2 number, since 2×252021260633² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 252021260633.

It is not a weakly prime, because it can be changed into another prime (252021260653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126010630316 + 126010630317.

It is an arithmetic number, because the mean of its divisors is an integer number (126010630317).

Almost surely, 2^252021260633 is an apocalyptic number.

It is an amenable number.

252021260633 is a deficient number, since it is larger than the sum of its proper divisors (1).

252021260633 is an equidigital number, since it uses as much as digits as its factorization.

252021260633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 252021260633 its reverse (336062120252), we get a palindrome (588083380885).

The spelling of 252021260633 in words is "two hundred fifty-two billion, twenty-one million, two hundred sixty thousand, six hundred thirty-three".