650011133 has 16 divisors (see below), whose sum is σ = 725442480. Its totient is φ = 579511296.

The previous prime is 650011129. The next prime is 650011139. The reversal of 650011133 is 331110056.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 5968249 + 644042884 = 2443^2 + 25378^2 .

It is a cyclic number.

It is not a de Polignac number, because 650011133 - 2² = 650011129 is a prime.

It is a super-3 number, since 3×650011133³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650011139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13691 + ... + 38567.

It is an arithmetic number, because the mean of its divisors is an integer number (45340155).

Almost surely, 2^650011133 is an apocalyptic number.

It is an amenable number.

650011133 is a deficient number, since it is larger than the sum of its proper divisors (75431347).

650011133 is a wasteful number, since it uses less digits than its factorization.

650011133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24976.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 650011133 is about 25495.3159031223. The cubic root of 650011133 is about 866.2440508716.

Adding to 650011133 its reverse (331110056), we get a palindrome (981121189).

The spelling of 650011133 in words is "six hundred fifty million, eleven thousand, one hundred thirty-three".