3154956561 has 25 divisors (see below), whose sum is σ = 4773382361. Its totient is φ = 2076680268.

The previous prime is 3154956533. The next prime is 3154956617. The reversal of 3154956561 is 1656594513.

The square root of 3154956561 is 56169.

It is a perfect power (a square, a biquadrate), and thus also a powerful number.

3154956561 is a `hidden beast` number, since 3 + 1 + 549 + 56 + 56 + 1 = 666.

It is not a de Polignac number, because 3154956561 - 2⁷ = 3154956433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3154952561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 24 ways as a sum of consecutive naturals, for example, 39936120 + ... + 39936198.

Almost surely, 2^3154956561 is an apocalyptic number.

3154956561 is the 56169-th square number.

3154956561 is the 28085-th centered octagonal number.

It is an amenable number.

3154956561 is a deficient number, since it is larger than the sum of its proper divisors (1618425800).

3154956561 is an frugal number, since it uses more digits than its factorization.

3154956561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 82 counting only the distinct ones).

The product of its digits is 486000, while the sum is 45.

The cubic root of 3154956561 is about 1466.6656746263.

The spelling of 3154956561 in words is "three billion, one hundred fifty-four million, nine hundred fifty-six thousand, five hundred sixty-one".