3215255215 has 16 divisors (see below), whose sum is σ = 4041404928. Its totient is φ = 2450991136.

The previous prime is 3215255213. The next prime is 3215255249. The reversal of 3215255215 is 5125525123.

It is not a de Polignac number, because 3215255215 - 2¹ = 3215255213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3215255213) 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, 22909 + ... + 83398.

It is an arithmetic number, because the mean of its divisors is an integer number (252587808).

Almost surely, 2^3215255215 is an apocalyptic number.

3215255215 is a deficient number, since it is larger than the sum of its proper divisors (826149713).

3215255215 is a wasteful number, since it uses less digits than its factorization.

3215255215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106598.

The product of its digits is 15000, while the sum is 31.

The square root of 3215255215 is about 56703.2204993685. The cubic root of 3215255215 is about 1475.9505836514.

The spelling of 3215255215 in words is "three billion, two hundred fifteen million, two hundred fifty-five thousand, two hundred fifteen".