985050505 has 8 divisors (see below), whose sum is σ = 1183407624. Its totient is φ = 787142400.

The previous prime is 985050467. The next prime is 985050529. The reversal of 985050505 is 505050589.

It can be written as a sum of positive squares in 4 ways, for example, as 118984464 + 866066041 = 10908^2 + 29429^2 .

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

It is not a de Polignac number, because 985050505 - 2⁷ = 985050377 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

985050505 is a modest number, since divided by 50505 gives 985 as remainder.

It is an unprimeable number.

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, 107406 + ... + 116215.

It is an arithmetic number, because the mean of its divisors is an integer number (147925953).

Almost surely, 2^985050505 is an apocalyptic number.

It is an amenable number.

985050505 is a deficient number, since it is larger than the sum of its proper divisors (198357119).

985050505 is a wasteful number, since it uses less digits than its factorization.

985050505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224507.

The product of its (nonzero) digits is 45000, while the sum is 37.

The square root of 985050505 is about 31385.5142541906. The cubic root of 985050505 is about 994.9917947523.

The spelling of 985050505 in words is "nine hundred eighty-five million, fifty thousand, five hundred five".