1650845253 has 8 divisors (see below), whose sum is σ = 2201315616. Its totient is φ = 1100469200.

The previous prime is 1650845237. The next prime is 1650845291. The reversal of 1650845253 is 3525480561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1650845253 - 2⁴ = 1650845237 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1650845233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50698 + ... + 76628.

It is an arithmetic number, because the mean of its divisors is an integer number (275164452).

Almost surely, 2^1650845253 is an apocalyptic number.

It is an amenable number.

1650845253 is a deficient number, since it is larger than the sum of its proper divisors (550470363).

1650845253 is a wasteful number, since it uses less digits than its factorization.

1650845253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47155.

The product of its (nonzero) digits is 144000, while the sum is 39.

The square root of 1650845253 is about 40630.5950362532. The cubic root of 1650845253 is about 1181.8674951169.

The spelling of 1650845253 in words is "one billion, six hundred fifty million, eight hundred forty-five thousand, two hundred fifty-three".