3217871245 has 8 divisors (see below), whose sum is σ = 3951246816. Its totient is φ = 2514429456.

The previous prime is 3217871227. The next prime is 3217871287. The reversal of 3217871245 is 5421787123.

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 3217871245 - 2¹³ = 3217863053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3217871198 and 3217871207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7483207 + ... + 7483636.

It is an arithmetic number, because the mean of its divisors is an integer number (493905852).

Almost surely, 2^3217871245 is an apocalyptic number.

It is an amenable number.

3217871245 is a deficient number, since it is larger than the sum of its proper divisors (733375571).

3217871245 is a wasteful number, since it uses less digits than its factorization.

3217871245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14966891.

The product of its digits is 94080, while the sum is 40.

The square root of 3217871245 is about 56726.2835465184. The cubic root of 3217871245 is about 1476.3507679854.

The spelling of 3217871245 in words is "three billion, two hundred seventeen million, eight hundred seventy-one thousand, two hundred forty-five".