3042561 has 8 divisors (see below), whose sum is σ = 4069120. Its totient is φ = 2022192.

The previous prime is 3042553. The next prime is 3042577. The reversal of 3042561 is 1652403.

It is a happy number.

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

It is not a de Polignac number, because 3042561 - 2³ = 3042553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3042581) 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, 241 + ... + 2478.

It is an arithmetic number, because the mean of its divisors is an integer number (508640).

Almost surely, 2^3042561 is an apocalyptic number.

It is an amenable number.

3042561 is a deficient number, since it is larger than the sum of its proper divisors (1026559).

3042561 is a wasteful number, since it uses less digits than its factorization.

3042561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3095.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 3042561 is about 1744.2938399249. The cubic root of 3042561 is about 144.9037966695.

Adding to 3042561 its reverse (1652403), we get a palindrome (4694964).

The spelling of 3042561 in words is "three million, forty-two thousand, five hundred sixty-one".