2054539 has 4 divisors (see below), whose sum is σ = 2057440. Its totient is φ = 2051640.

The previous prime is 2054537. The next prime is 2054543. The reversal of 2054539 is 9354502.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2054539 - 2¹ = 2054537 is a prime.

It is a super-2 number, since 2×2054539² = 8442261005042, which contains 22 as substring.

It is a Duffinian number.

2054539 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054537) 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 3 ways as a sum of consecutive naturals, for example, 397 + ... + 2065.

It is an arithmetic number, because the mean of its divisors is an integer number (514360).

2^2054539 is an apocalyptic number.

2054539 is a deficient number, since it is larger than the sum of its proper divisors (2901).

2054539 is a wasteful number, since it uses less digits than its factorization.

2054539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2900.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 2054539 is about 1433.3663174499. The cubic root of 2054539 is about 127.1270970179.

The spelling of 2054539 in words is "two million, fifty-four thousand, five hundred thirty-nine".