2054325661 has 16 divisors (see below), whose sum is σ = 2184537600. Its totient is φ = 1927663408.

The previous prime is 2054325643. The next prime is 2054325673. The reversal of 2054325661 is 1665234502.

It is a cyclic number.

It is not a de Polignac number, because 2054325661 - 2⁹ = 2054325149 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 (2054325641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 795270 + ... + 797848.

It is an arithmetic number, because the mean of its divisors is an integer number (136533600).

Almost surely, 2^2054325661 is an apocalyptic number.

It is an amenable number.

2054325661 is a deficient number, since it is larger than the sum of its proper divisors (130211939).

2054325661 is a wasteful number, since it uses less digits than its factorization.

2054325661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3248.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 2054325661 is about 45324.6694527384. The cubic root of 2054325661 is about 1271.2269666232.

The spelling of 2054325661 in words is "two billion, fifty-four million, three hundred twenty-five thousand, six hundred sixty-one".