650213000 has 32 divisors (see below), whose sum is σ = 1521500760. Its totient is φ = 260084800.

The previous prime is 650212943. The next prime is 650213017. The reversal of 650213000 is 312056.

It can be written as a sum of positive squares in 4 ways, for example, as 145491844 + 504721156 = 12062^2 + 22466^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 650213000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324107 + ... + 326106.

Almost surely, 2^650213000 is an apocalyptic number.

It is an amenable number.

650213000 is an abundant number, since it is smaller than the sum of its proper divisors (871287760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

650213000 is a wasteful number, since it uses less digits than its factorization.

650213000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650234 (or 650220 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 650213000 is about 25499.2744994833. The cubic root of 650213000 is about 866.3337149712. Note that the first 3 decimals are identical.

Adding to 650213000 its reverse (312056), we get a palindrome (650525056).

The spelling of 650213000 in words is "six hundred fifty million, two hundred thirteen thousand".