252641737273 has 2 divisors, whose sum is σ = 252641737274. Its totient is φ = 252641737272.

The previous prime is 252641737267. The next prime is 252641737297. The reversal of 252641737273 is 372737146252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200034351504 + 52607385769 = 447252^2 + 229363^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252641737273 is a prime.

It is not a weakly prime, because it can be changed into another prime (252641737223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126320868636 + 126320868637.

It is an arithmetic number, because the mean of its divisors is an integer number (126320868637).

Almost surely, 2^252641737273 is an apocalyptic number.

It is an amenable number.

252641737273 is a deficient number, since it is larger than the sum of its proper divisors (1).

252641737273 is an equidigital number, since it uses as much as digits as its factorization.

252641737273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2963520, while the sum is 49.

The spelling of 252641737273 in words is "two hundred fifty-two billion, six hundred forty-one million, seven hundred thirty-seven thousand, two hundred seventy-three".