3215500006 has 8 divisors (see below), whose sum is σ = 4823519400. Its totient is φ = 1607660208.

The previous prime is 3215499977. The next prime is 3215500009. The reversal of 3215500006 is 6000055123.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3215500006.

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 3 ways as a sum of consecutive naturals, for example, 16845 + ... + 81943.

It is an arithmetic number, because the mean of its divisors is an integer number (602939925).

Almost surely, 2^3215500006 is an apocalyptic number.

3215500006 is a deficient number, since it is larger than the sum of its proper divisors (1608019394).

3215500006 is a wasteful number, since it uses less digits than its factorization.

3215500006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89798.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 3215500006 is about 56705.3789864771. The cubic root of 3215500006 is about 1475.9880394910.

Adding to 3215500006 its reverse (6000055123), we get a palindrome (9215555129).

The spelling of 3215500006 in words is "three billion, two hundred fifteen million, five hundred thousand, six".