650450312 has 36 divisors (see below), whose sum is σ = 1246830615. Its totient is φ = 318119760.

The previous prime is 650450299. The next prime is 650450347. The reversal of 650450312 is 213054056.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 325225156 + 325225156 = 18034^2 + 18034^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=18034.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5121593 + ... + 5121719.

Almost surely, 2^650450312 is an apocalyptic number.

It is an amenable number.

650450312 is a deficient number, since it is larger than the sum of its proper divisors (596380303).

650450312 is an equidigital number, since it uses as much as digits as its factorization.

650450312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 650450312 is about 25503.9273838364. The cubic root of 650450312 is about 866.4390990939.

The spelling of 650450312 in words is "six hundred fifty million, four hundred fifty thousand, three hundred twelve".