650364985 has 8 divisors (see below), whose sum is σ = 780624000. Its totient is φ = 520167984.

The previous prime is 650364983. The next prime is 650365007. The reversal of 650364985 is 589463056.

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 650364985 - 2¹ = 650364983 is a prime.

It is a super-2 number, since 2×650364985² = 845949227428100450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (650364983) 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, 12016 + ... + 38014.

It is an arithmetic number, because the mean of its divisors is an integer number (97578000).

Almost surely, 2^650364985 is an apocalyptic number.

It is an amenable number.

650364985 is a deficient number, since it is larger than the sum of its proper divisors (130259015).

650364985 is a wasteful number, since it uses less digits than its factorization.

650364985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31007.

The product of its (nonzero) digits is 777600, while the sum is 46.

The square root of 650364985 is about 25502.2545081803. The cubic root of 650364985 is about 866.4012105313.

The spelling of 650364985 in words is "six hundred fifty million, three hundred sixty-four thousand, nine hundred eighty-five".