650212606 has 12 divisors (see below), whose sum is σ = 988878672. Its totient is φ = 320647536.

The previous prime is 650212601. The next prime is 650212609. The reversal of 650212606 is 606212056.

It is a super-2 number, since 2×650212606² = 845552866002622472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650212601) 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 5 ways as a sum of consecutive naturals, for example, 19846 + ... + 41161.

It is an arithmetic number, because the mean of its divisors is an integer number (82406556).

Almost surely, 2^650212606 is an apocalyptic number.

650212606 is a deficient number, since it is larger than the sum of its proper divisors (338666066).

650212606 is an equidigital number, since it uses as much as digits as its factorization.

650212606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61155 (or 61082 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 650212606 is about 25499.2667737721. The cubic root of 650212606 is about 866.3335399847. Note that the first 3 decimals are identical.

The spelling of 650212606 in words is "six hundred fifty million, two hundred twelve thousand, six hundred six".