3315561 has 8 divisors (see below), whose sum is σ = 4680864. Its totient is φ = 2080320.

The previous prime is 3315523. The next prime is 3315577. The reversal of 3315561 is 1655133.

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

It is not a de Polignac number, because 3315561 - 2⁹ = 3315049 is a prime.

It is a super-3 number, since 3×3315561³ (a number of 21 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3315511) 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, 32455 + ... + 32556.

It is an arithmetic number, because the mean of its divisors is an integer number (585108).

Almost surely, 2^3315561 is an apocalyptic number.

It is an amenable number.

3315561 is a deficient number, since it is larger than the sum of its proper divisors (1365303).

3315561 is a wasteful number, since it uses less digits than its factorization.

3315561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65031.

The product of its digits is 1350, while the sum is 24.

The square root of 3315561 is about 1820.8681995136. The cubic root of 3315561 is about 149.1142015935.

The spelling of 3315561 in words is "three million, three hundred fifteen thousand, five hundred sixty-one".