3007561 has 8 divisors (see below), whose sum is σ = 3138120. Its totient is φ = 2878848.

The previous prime is 3007547. The next prime is 3007573. The reversal of 3007561 is 1657003.

3007561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 712336 + 2295225 = 844^2 + 1515^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3007561 - 2⁹ = 3007049 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3007531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3595 + ... + 4351.

It is an arithmetic number, because the mean of its divisors is an integer number (392265).

Almost surely, 2^3007561 is an apocalyptic number.

It is an amenable number.

3007561 is a deficient number, since it is larger than the sum of its proper divisors (130559).

3007561 is a wasteful number, since it uses less digits than its factorization.

3007561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 3007561 is about 1734.2321067262. The cubic root of 3007561 is about 144.3460203699.

The spelling of 3007561 in words is "three million, seven thousand, five hundred sixty-one".