5185825489 has 8 divisors (see below), whose sum is σ = 5588026920. Its totient is φ = 4784094336.

The previous prime is 5185825487. The next prime is 5185825549. The reversal of 5185825489 is 9845285815.

It can be written as a sum of positive squares in 4 ways, for example, as 164685889 + 5021139600 = 12833^2 + 70860^2 .

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 5185825489 - 2¹ = 5185825487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5185825487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94492 + ... + 138925.

It is an arithmetic number, because the mean of its divisors is an integer number (698503365).

Almost surely, 2^5185825489 is an apocalyptic number.

It is an amenable number.

5185825489 is a deficient number, since it is larger than the sum of its proper divisors (402201431).

5185825489 is a wasteful number, since it uses less digits than its factorization.

5185825489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235139.

The product of its digits is 4608000, while the sum is 55.

The square root of 5185825489 is about 72012.6758911235. The cubic root of 5185825489 is about 1730.9026095037.

The spelling of 5185825489 in words is "five billion, one hundred eighty-five million, eight hundred twenty-five thousand, four hundred eighty-nine".