52153313521 has 2 divisors, whose sum is σ = 52153313522. Its totient is φ = 52153313520.

The previous prime is 52153313519. The next prime is 52153313561. The reversal of 52153313521 is 12531335125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46597698225 + 5555615296 = 215865^2 + 74536^2 .

It is a cyclic number.

It is not a de Polignac number, because 52153313521 - 2¹ = 52153313519 is a prime.

It is a super-2 number, since 2×52153313521² (a number of 22 digits) contains 22 as substring.

Together with 52153313519, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (52153313561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26076656760 + 26076656761.

It is an arithmetic number, because the mean of its divisors is an integer number (26076656761).

Almost surely, 2^52153313521 is an apocalyptic number.

It is an amenable number.

52153313521 is a deficient number, since it is larger than the sum of its proper divisors (1).

52153313521 is an equidigital number, since it uses as much as digits as its factorization.

52153313521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13500, while the sum is 31.

Adding to 52153313521 its reverse (12531335125), we get a palindrome (64684648646).

The spelling of 52153313521 in words is "fifty-two billion, one hundred fifty-three million, three hundred thirteen thousand, five hundred twenty-one".