2072539 has 8 divisors (see below), whose sum is σ = 2493440. Its totient is φ = 1682856.

The previous prime is 2072531. The next prime is 2072549. The reversal of 2072539 is 9352702.

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

It is not a de Polignac number, because 2072539 - 2³ = 2072531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2072531) 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 7 ways as a sum of consecutive naturals, for example, 7659 + ... + 7924.

It is an arithmetic number, because the mean of its divisors is an integer number (311680).

2^2072539 is an apocalyptic number.

2072539 is a deficient number, since it is larger than the sum of its proper divisors (420901).

2072539 is a wasteful number, since it uses less digits than its factorization.

2072539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15609.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 2072539 is about 1439.6315500850. The cubic root of 2072539 is about 127.4972753487.

The spelling of 2072539 in words is "two million, seventy-two thousand, five hundred thirty-nine".