5253452044021 has 2 divisors, whose sum is σ = 5253452044022. Its totient is φ = 5253452044020.

The previous prime is 5253452043979. The next prime is 5253452044111. The reversal of 5253452044021 is 1204402543525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5251751388900 + 1700655121 = 2291670^2 + 41239^2 .

It is a cyclic number.

It is not a de Polignac number, because 5253452044021 - 2¹³ = 5253452035829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5253452044921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2626726022010 + 2626726022011.

It is an arithmetic number, because the mean of its divisors is an integer number (2626726022011).

Almost surely, 2^{5253452044021} is an apocalyptic number.

It is an amenable number.

5253452044021 is a deficient number, since it is larger than the sum of its proper divisors (1).

5253452044021 is an equidigital number, since it uses as much as digits as its factorization.

5253452044021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 5253452044021 its reverse (1204402543525), we get a palindrome (6457854587546).

The spelling of 5253452044021 in words is "five trillion, two hundred fifty-three billion, four hundred fifty-two million, forty-four thousand, twenty-one".