3215575000 has 144 divisors (see below), whose sum is σ = 8291188080. Its totient is φ = 1168200000.

The previous prime is 3215574997. The next prime is 3215575001. The reversal of 3215575000 is 5755123.

It is a self number, because there is not a number n which added to its sum of digits gives 3215575000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3215575001) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3024469 + ... + 3025531.

It is an arithmetic number, because the mean of its divisors is an integer number (57577695).

Almost surely, 2^3215575000 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 3215575000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4145594040).

3215575000 is an abundant number, since it is smaller than the sum of its proper divisors (5075613080).

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

3215575000 is a wasteful number, since it uses less digits than its factorization.

3215575000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116 (or 1081 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 3215575000 is about 56706.0402426408. The cubic root of 3215575000 is about 1475.9995140555. Note that the first 3 decimals are identical.

The spelling of 3215575000 in words is "three billion, two hundred fifteen million, five hundred seventy-five thousand".