3225615 has 16 divisors (see below), whose sum is σ = 5184000. Its totient is φ = 1712672.

The previous prime is 3225539. The next prime is 3225647. The reversal of 3225615 is 5165223.

It is a Cunningham number, because it is equal to 1796²-1.

It is a cyclic number.

It is not a de Polignac number, because 3225615 - 2⁷ = 3225487 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5086 + ... + 5684.

It is an arithmetic number, because the mean of its divisors is an integer number (324000).

Almost surely, 2^3225615 is an apocalyptic number.

3225615 is a deficient number, since it is larger than the sum of its proper divisors (1958385).

3225615 is a wasteful number, since it uses less digits than its factorization.

3225615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966.

The product of its digits is 1800, while the sum is 24.

The square root of 3225615 is about 1795.9997216035. Note that the first 3 decimals coincide. The cubic root of 3225615 is about 147.7534090676.

The spelling of 3225615 in words is "three million, two hundred twenty-five thousand, six hundred fifteen".