3071425561 has 4 divisors (see below), whose sum is σ = 3073404852. Its totient is φ = 3069446272.

The previous prime is 3071425523. The next prime is 3071425571. The reversal of 3071425561 is 1655241703.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 298771225 + 2772654336 = 17285^2 + 52656^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3071425561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3071425571) 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, 987316 + ... + 990421.

It is an arithmetic number, because the mean of its divisors is an integer number (768351213).

Almost surely, 2^3071425561 is an apocalyptic number.

It is an amenable number.

3071425561 is a deficient number, since it is larger than the sum of its proper divisors (1979291).

3071425561 is a wasteful number, since it uses less digits than its factorization.

3071425561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979290.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 3071425561 is about 55420.4435294414. The cubic root of 3071425561 is about 1453.6058588139.

The spelling of 3071425561 in words is "three billion, seventy-one million, four hundred twenty-five thousand, five hundred sixty-one".