1481576561 has 8 divisors (see below), whose sum is σ = 1517004384. Its totient is φ = 1446540480.

The previous prime is 1481576549. The next prime is 1481576581. The reversal of 1481576561 is 1656751841.

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 1481576561 - 2⁶ = 1481576497 is a prime.

It is a super-3 number, since 3×1481576561³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1481576581) 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 7 ways as a sum of consecutive naturals, for example, 90275 + ... + 105416.

It is an arithmetic number, because the mean of its divisors is an integer number (189625548).

Almost surely, 2^1481576561 is an apocalyptic number.

It is an amenable number.

1481576561 is a deficient number, since it is larger than the sum of its proper divisors (35427823).

1481576561 is a wasteful number, since it uses less digits than its factorization.

1481576561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195871.

The product of its digits is 201600, while the sum is 44.

The square root of 1481576561 is about 38491.2530453349. The cubic root of 1481576561 is about 1140.0083514829.

The spelling of 1481576561 in words is "one billion, four hundred eighty-one million, five hundred seventy-six thousand, five hundred sixty-one".