3205217253 has 48 divisors (see below), whose sum is σ = 5047920000. Its totient is φ = 1803529728.

The previous prime is 3205217251. The next prime is 3205217273. The reversal of 3205217253 is 3527125023.

It is a happy number.

It is not a de Polignac number, because 3205217253 - 2¹ = 3205217251 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3205217253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3205217251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5350648 + ... + 5351246.

It is an arithmetic number, because the mean of its divisors is an integer number (105165000).

Almost surely, 2^3205217253 is an apocalyptic number.

It is an amenable number.

3205217253 is a deficient number, since it is larger than the sum of its proper divisors (1842702747).

3205217253 is a wasteful number, since it uses less digits than its factorization.

3205217253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114 (or 1107 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 3205217253 is about 56614.6381512767. The cubic root of 3205217253 is about 1474.4130197970.

The spelling of 3205217253 in words is "three billion, two hundred five million, two hundred seventeen thousand, two hundred fifty-three".