650520133 has 4 divisors (see below), whose sum is σ = 650651200. Its totient is φ = 650389068.

The previous prime is 650520127. The next prime is 650520137. The reversal of 650520133 is 331025056.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 650520133 - 2¹³ = 650511941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 650520098 and 650520107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650520137) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 57783 + ... + 68116.

It is an arithmetic number, because the mean of its divisors is an integer number (162662800).

Almost surely, 2^650520133 is an apocalyptic number.

It is an amenable number.

650520133 is a deficient number, since it is larger than the sum of its proper divisors (131067).

650520133 is a wasteful number, since it uses less digits than its factorization.

650520133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131066.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 650520133 is about 25505.2961755005. The cubic root of 650520133 is about 866.4700999143.

Adding to 650520133 its reverse (331025056), we get a palindrome (981545189).

The spelling of 650520133 in words is "six hundred fifty million, five hundred twenty thousand, one hundred thirty-three".