3418561 has 4 divisors (see below), whose sum is σ = 3443652. Its totient is φ = 3393472.

The previous prime is 3418511. The next prime is 3418601. The reversal of 3418561 is 1658143.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1658143 = 167 ⋅9929.

It can be written as a sum of positive squares in 2 ways, for example, as 2250000 + 1168561 = 1500^2 + 1081^2 .

It is a cyclic number.

It is not a de Polignac number, because 3418561 - 2⁹ = 3418049 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

3418561 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3418511) 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, 12340 + ... + 12613.

It is an arithmetic number, because the mean of its divisors is an integer number (860913).

Almost surely, 2^3418561 is an apocalyptic number.

It is an amenable number.

3418561 is a deficient number, since it is larger than the sum of its proper divisors (25091).

3418561 is a wasteful number, since it uses less digits than its factorization.

3418561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25090.

The product of its digits is 2880, while the sum is 28.

The square root of 3418561 is about 1848.9350989150. The cubic root of 3418561 is about 150.6425913925.

The spelling of 3418561 in words is "three million, four hundred eighteen thousand, five hundred sixty-one".