1650515133 has 4 divisors (see below), whose sum is σ = 2200686848. Its totient is φ = 1100343420.

The previous prime is 1650515117. The next prime is 1650515171. The reversal of 1650515133 is 3315150561.

1650515133 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 1650515133 - 2⁴ = 1650515117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1650515133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1650515183) 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, 275085853 + ... + 275085858.

It is an arithmetic number, because the mean of its divisors is an integer number (550171712).

Almost surely, 2^1650515133 is an apocalyptic number.

It is an amenable number.

1650515133 is a deficient number, since it is larger than the sum of its proper divisors (550171715).

1650515133 is an equidigital number, since it uses as much as digits as its factorization.

1650515133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550171714.

The product of its (nonzero) digits is 6750, while the sum is 30.

The square root of 1650515133 is about 40626.5323772532. The cubic root of 1650515133 is about 1181.7887104042.

Adding to 1650515133 its reverse (3315150561), we get a palindrome (4965665694).

The spelling of 1650515133 in words is "one billion, six hundred fifty million, five hundred fifteen thousand, one hundred thirty-three".