52100234521 has 2 divisors, whose sum is σ = 52100234522. Its totient is φ = 52100234520.

The previous prime is 52100234479. The next prime is 52100234531. The reversal of 52100234521 is 12543200125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26232337296 + 25867897225 = 161964^2 + 160835^2 .

It is a cyclic number.

It is not a de Polignac number, because 52100234521 - 2¹⁷ = 52100103449 is a prime.

It is not a weakly prime, because it can be changed into another prime (52100234531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26050117260 + 26050117261.

It is an arithmetic number, because the mean of its divisors is an integer number (26050117261).

Almost surely, 2^52100234521 is an apocalyptic number.

It is an amenable number.

52100234521 is a deficient number, since it is larger than the sum of its proper divisors (1).

52100234521 is an equidigital number, since it uses as much as digits as its factorization.

52100234521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 52100234521 its reverse (12543200125), we get a palindrome (64643434646).

The spelling of 52100234521 in words is "fifty-two billion, one hundred million, two hundred thirty-four thousand, five hundred twenty-one".