2752539 has 4 divisors (see below), whose sum is σ = 3670056. Its totient is φ = 1835024.

The previous prime is 2752531. The next prime is 2752543. The reversal of 2752539 is 9352572.

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 2752539 - 2³ = 2752531 is a prime.

It is a D-number.

2752539 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2752531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458754 + ... + 458759.

It is an arithmetic number, because the mean of its divisors is an integer number (917514).

2^2752539 is an apocalyptic number.

2752539 is a deficient number, since it is larger than the sum of its proper divisors (917517).

2752539 is an equidigital number, since it uses as much as digits as its factorization.

2752539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917516.

The product of its digits is 18900, while the sum is 33.

The square root of 2752539 is about 1659.0777558632. The cubic root of 2752539 is about 140.1450707114.

Adding to 2752539 its sum of digits (33), we get a palindrome (2752572).

The spelling of 2752539 in words is "two million, seven hundred fifty-two thousand, five hundred thirty-nine".