2538539 has 4 divisors (see below), whose sum is σ = 2545824. Its totient is φ = 2531256.

The previous prime is 2538527. The next prime is 2538577. The reversal of 2538539 is 9358352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2538539 - 2¹² = 2534443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2538499 and 2538508.

It is not an unprimeable number, because it can be changed into a prime (2538509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3092 + ... + 3825.

It is an arithmetic number, because the mean of its divisors is an integer number (636456).

2^2538539 is an apocalyptic number.

2538539 is a deficient number, since it is larger than the sum of its proper divisors (7285).

2538539 is an equidigital number, since it uses as much as digits as its factorization.

2538539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7284.

The product of its digits is 32400, while the sum is 35.

The square root of 2538539 is about 1593.2793226550. The cubic root of 2538539 is about 136.4147338338.

The spelling of 2538539 in words is "two million, five hundred thirty-eight thousand, five hundred thirty-nine".