2054661 has 8 divisors (see below), whose sum is σ = 3130944. Its totient is φ = 1174080.

The previous prime is 2054639. The next prime is 2054687. The reversal of 2054661 is 1664502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2054661 - 2⁵ = 2054629 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48900 + ... + 48941.

It is an arithmetic number, because the mean of its divisors is an integer number (391368).

2^2054661 is an apocalyptic number.

2054661 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2054661 is a deficient number, since it is larger than the sum of its proper divisors (1076283).

2054661 is an equidigital number, since it uses as much as digits as its factorization.

2054661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97851.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2054661 is about 1433.4088739784. The cubic root of 2054661 is about 127.1296132675.

The spelling of 2054661 in words is "two million, fifty-four thousand, six hundred sixty-one".