650311133 has 4 divisors (see below), whose sum is σ = 650365440. Its totient is φ = 650256828.

The previous prime is 650311121. The next prime is 650311141. The reversal of 650311133 is 331113056.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 650311133 - 2¹⁸ = 650048989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 650311099 and 650311108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650911133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413 + ... + 36066.

It is an arithmetic number, because the mean of its divisors is an integer number (162591360).

Almost surely, 2^650311133 is an apocalyptic number.

It is an amenable number.

650311133 is a deficient number, since it is larger than the sum of its proper divisors (54307).

650311133 is a wasteful number, since it uses less digits than its factorization.

650311133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54306.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 650311133 is about 25501.1986581023. The cubic root of 650311133 is about 866.3772964077.

Adding to 650311133 its reverse (331113056), we get a palindrome (981424189).

The spelling of 650311133 in words is "six hundred fifty million, three hundred eleven thousand, one hundred thirty-three".