5245561949 has 8 divisors (see below), whose sum is σ = 5318679552. Its totient is φ = 5172478560.

The previous prime is 5245561943. The next prime is 5245561991. The reversal of 5245561949 is 9491655425.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5245561949 - 2¹⁶ = 5245496413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5245561897 and 5245561906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5245561943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556772 + ... + 566114.

It is an arithmetic number, because the mean of its divisors is an integer number (664834944).

Almost surely, 2^5245561949 is an apocalyptic number.

It is an amenable number.

5245561949 is a deficient number, since it is larger than the sum of its proper divisors (73117603).

5245561949 is an equidigital number, since it uses as much as digits as its factorization.

5245561949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17107.

The product of its digits is 1944000, while the sum is 50.

The square root of 5245561949 is about 72426.2517944978. The cubic root of 5245561949 is about 1737.5234452196.

The spelling of 5245561949 in words is "five billion, two hundred forty-five million, five hundred sixty-one thousand, nine hundred forty-nine".