1252220500273 has 2 divisors, whose sum is σ = 1252220500274. Its totient is φ = 1252220500272.

The previous prime is 1252220500247. The next prime is 1252220500301. The reversal of 1252220500273 is 3720050222521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 649558626304 + 602661873969 = 805952^2 + 776313^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1252220500273 is a prime.

It is a super-3 number, since 3×1252220500273³ (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1252220500243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626110250136 + 626110250137.

It is an arithmetic number, because the mean of its divisors is an integer number (626110250137).

Almost surely, 2^{1252220500273} is an apocalyptic number.

It is an amenable number.

1252220500273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252220500273 is an equidigital number, since it uses as much as digits as its factorization.

1252220500273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 31.

Adding to 1252220500273 its reverse (3720050222521), we get a palindrome (4972270722794).

The spelling of 1252220500273 in words is "one trillion, two hundred fifty-two billion, two hundred twenty million, five hundred thousand, two hundred seventy-three".