3215881245 has 16 divisors (see below), whose sum is σ = 5448081600. Its totient is φ = 1614246144.

The previous prime is 3215881241. The next prime is 3215881247. The reversal of 3215881245 is 5421885123.

It is not a de Polignac number, because 3215881245 - 2² = 3215881241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3215881241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6305395 + ... + 6305904.

It is an arithmetic number, because the mean of its divisors is an integer number (340505100).

Almost surely, 2^3215881245 is an apocalyptic number.

It is an amenable number.

3215881245 is a deficient number, since it is larger than the sum of its proper divisors (2232200355).

3215881245 is a wasteful number, since it uses less digits than its factorization.

3215881245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12611324.

The product of its digits is 76800, while the sum is 39.

The square root of 3215881245 is about 56708.7404638826. The cubic root of 3215881245 is about 1476.0463696591.

The spelling of 3215881245 in words is "three billion, two hundred fifteen million, eight hundred eighty-one thousand, two hundred forty-five".