52243453261 has 2 divisors, whose sum is σ = 52243453262. Its totient is φ = 52243453260.

The previous prime is 52243453243. The next prime is 52243453271. The reversal of 52243453261 is 16235434225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51135229161 + 1108224100 = 226131^2 + 33290^2 .

It is a cyclic number.

It is not a de Polignac number, because 52243453261 - 2⁹ = 52243452749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52243453261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52243453271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26121726630 + 26121726631.

It is an arithmetic number, because the mean of its divisors is an integer number (26121726631).

Almost surely, 2^52243453261 is an apocalyptic number.

It is an amenable number.

52243453261 is a deficient number, since it is larger than the sum of its proper divisors (1).

52243453261 is an equidigital number, since it uses as much as digits as its factorization.

52243453261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 37.

Adding to 52243453261 its reverse (16235434225), we get a palindrome (68478887486).

The spelling of 52243453261 in words is "fifty-two billion, two hundred forty-three million, four hundred fifty-three thousand, two hundred sixty-one".