3075656561 has 8 divisors (see below), whose sum is σ = 3159735720. Its totient is φ = 2991627648.

The previous prime is 3075656543. The next prime is 3075656603. The reversal of 3075656561 is 1656565703.

It can be written as a sum of positive squares in 4 ways, for example, as 37442161 + 3038214400 = 6119^2 + 55120^2 .

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 3075656561 - 2⁶ = 3075656497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3075652561) 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, 134795 + ... + 155951.

It is an arithmetic number, because the mean of its divisors is an integer number (394966965).

Almost surely, 2^3075656561 is an apocalyptic number.

It is an amenable number.

3075656561 is a deficient number, since it is larger than the sum of its proper divisors (84079159).

3075656561 is a wasteful number, since it uses less digits than its factorization.

3075656561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25123.

The product of its (nonzero) digits is 567000, while the sum is 44.

The square root of 3075656561 is about 55458.6022272469. The cubic root of 3075656561 is about 1454.2730174759.

The spelling of 3075656561 in words is "three billion, seventy-five million, six hundred fifty-six thousand, five hundred sixty-one".