3245215109 has 2 divisors, whose sum is σ = 3245215110. Its totient is φ = 3245215108.

The previous prime is 3245215097. The next prime is 3245215111. The reversal of 3245215109 is 9015125423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3241024900 + 4190209 = 56930^2 + 2047^2 .

It is a cyclic number.

It is not a de Polignac number, because 3245215109 - 2⁴ = 3245215093 is a prime.

It is a super-2 number, since 2×3245215109² = 21062842207363763762, which contains 22 as substring.

Together with 3245215111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3245212109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1622607554 + 1622607555.

It is an arithmetic number, because the mean of its divisors is an integer number (1622607555).

Almost surely, 2^3245215109 is an apocalyptic number.

It is an amenable number.

3245215109 is a deficient number, since it is larger than the sum of its proper divisors (1).

3245215109 is an equidigital number, since it uses as much as digits as its factorization.

3245215109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 3245215109 is about 56966.7895268814. The cubic root of 3245215109 is about 1480.5207427640.

The spelling of 3245215109 in words is "three billion, two hundred forty-five million, two hundred fifteen thousand, one hundred nine".