3215125264 has 40 divisors (see below), whose sum is σ = 6735318912. Its totient is φ = 1477968000.

The previous prime is 3215125259. The next prime is 3215125283. The reversal of 3215125264 is 4625215123.

It is a super-2 number, since 2×3215125264² = 20674060926422139392, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21417 + ... + 82999.

Almost surely, 2^3215125264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3215125264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3367659456).

3215125264 is an abundant number, since it is smaller than the sum of its proper divisors (3520193648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3215125264 is a wasteful number, since it uses less digits than its factorization.

3215125264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61855 (or 61849 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 3215125264 is about 56702.0746004941. The cubic root of 3215125264 is about 1475.9306988807.

The spelling of 3215125264 in words is "three billion, two hundred fifteen million, one hundred twenty-five thousand, two hundred sixty-four".