5245272673 has 2 divisors, whose sum is σ = 5245272674. Its totient is φ = 5245272672.

The previous prime is 5245272671. The next prime is 5245272679. The reversal of 5245272673 is 3762725425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4620872529 + 624400144 = 67977^2 + 24988^2 .

It is a cyclic number.

It is not a de Polignac number, because 5245272673 - 2¹ = 5245272671 is a prime.

Together with 5245272671, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5245272671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2622636336 + 2622636337.

It is an arithmetic number, because the mean of its divisors is an integer number (2622636337).

Almost surely, 2^5245272673 is an apocalyptic number.

It is an amenable number.

5245272673 is a deficient number, since it is larger than the sum of its proper divisors (1).

5245272673 is an equidigital number, since it uses as much as digits as its factorization.

5245272673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 705600, while the sum is 43.

The square root of 5245272673 is about 72424.2547286474. The cubic root of 5245272673 is about 1737.4915050082.

The spelling of 5245272673 in words is "five billion, two hundred forty-five million, two hundred seventy-two thousand, six hundred seventy-three".