3215500005 has 8 divisors (see below), whose sum is σ = 5144800032. Its totient is φ = 1714933328.

The previous prime is 3215499977. The next prime is 3215500009. The reversal of 3215500005 is 5000055123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3215500005 - 2¹⁰ = 3215498981 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3215500009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107183319 + ... + 107183348.

It is an arithmetic number, because the mean of its divisors is an integer number (643100004).

Almost surely, 2^3215500005 is an apocalyptic number.

It is an amenable number.

3215500005 is a deficient number, since it is larger than the sum of its proper divisors (1929300027).

3215500005 is a wasteful number, since it uses less digits than its factorization.

3215500005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214366675.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 3215500005 is about 56705.3789776596. The cubic root of 3215500005 is about 1475.9880393380.

Adding to 3215500005 its reverse (5000055123), we get a palindrome (8215555128).

The spelling of 3215500005 in words is "three billion, two hundred fifteen million, five hundred thousand, five".