3217215245 has 16 divisors (see below), whose sum is σ = 3894359040. Its totient is φ = 2551348800.

The previous prime is 3217215241. The next prime is 3217215319. The reversal of 3217215245 is 5425127123.

It is not a de Polignac number, because 3217215245 - 2² = 3217215241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3217215241) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 771476 + ... + 775634.

It is an arithmetic number, because the mean of its divisors is an integer number (243397440).

Almost surely, 2^3217215245 is an apocalyptic number.

It is an amenable number.

3217215245 is a deficient number, since it is larger than the sum of its proper divisors (677143795).

3217215245 is a wasteful number, since it uses less digits than its factorization.

3217215245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5476.

The product of its digits is 16800, while the sum is 32.

The square root of 3217215245 is about 56720.5010996906. The cubic root of 3217215245 is about 1476.2504374822.

The spelling of 3217215245 in words is "three billion, two hundred seventeen million, two hundred fifteen thousand, two hundred forty-five".