3215215245 has 64 divisors (see below), whose sum is σ = 6033346560. Its totient is φ = 1445356800.

The previous prime is 3215215243. The next prime is 3215215247. The reversal of 3215215245 is 5425125123.

It is an interprime number because it is at equal distance from previous prime (3215215243) and next prime (3215215247).

It is not a de Polignac number, because 3215215245 - 2¹ = 3215215243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3215215243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 136435 + ... + 158255.

It is an arithmetic number, because the mean of its divisors is an integer number (94271040).

Almost surely, 2^3215215245 is an apocalyptic number.

It is an amenable number.

3215215245 is a deficient number, since it is larger than the sum of its proper divisors (2818131315).

3215215245 is a wasteful number, since it uses less digits than its factorization.

3215215245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21906.

The product of its digits is 12000, while the sum is 30.

The square root of 3215215245 is about 56702.8680491560. The cubic root of 3215215245 is about 1475.9444676010.

The spelling of 3215215245 in words is "three billion, two hundred fifteen million, two hundred fifteen thousand, two hundred forty-five".