5245545049 has 2 divisors, whose sum is σ = 5245545050. Its totient is φ = 5245545048.

The previous prime is 5245545031. The next prime is 5245545091. The reversal of 5245545049 is 9405455425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4955456025 + 290089024 = 70395^2 + 17032^2 .

It is a cyclic number.

It is not a de Polignac number, because 5245545049 - 2⁷ = 5245544921 is a prime.

It is a super-2 number, since 2×5245545049² = 55031485722176824802, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5245544996 and 5245545014.

It is not a weakly prime, because it can be changed into another prime (5245545749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2622772524 + 2622772525.

It is an arithmetic number, because the mean of its divisors is an integer number (2622772525).

Almost surely, 2^5245545049 is an apocalyptic number.

It is an amenable number.

5245545049 is a deficient number, since it is larger than the sum of its proper divisors (1).

5245545049 is an equidigital number, since it uses as much as digits as its factorization.

5245545049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720000, while the sum is 43.

The square root of 5245545049 is about 72426.1351240006. The cubic root of 5245545049 is about 1737.5215792500.

The spelling of 5245545049 in words is "five billion, two hundred forty-five million, five hundred forty-five thousand, forty-nine".