1252452320263 has 2 divisors, whose sum is σ = 1252452320264. Its totient is φ = 1252452320262.

The previous prime is 1252452320221. The next prime is 1252452320269. The reversal of 1252452320263 is 3620232542521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1252452320263 - 2¹³ = 1252452312071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1252452320269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626226160131 + 626226160132.

It is an arithmetic number, because the mean of its divisors is an integer number (626226160132).

Almost surely, 2^{1252452320263} is an apocalyptic number.

1252452320263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252452320263 is an equidigital number, since it uses as much as digits as its factorization.

1252452320263 is an odious number, because the sum of its binary digits is odd.

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

Adding to 1252452320263 its reverse (3620232542521), we get a palindrome (4872684862784).

The spelling of 1252452320263 in words is "one trillion, two hundred fifty-two billion, four hundred fifty-two million, three hundred twenty thousand, two hundred sixty-three".