2539253 has 4 divisors (see below), whose sum is σ = 2601228. Its totient is φ = 2477280.

The previous prime is 2539231. The next prime is 2539261. The reversal of 2539253 is 3529352.

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

It can be written as a sum of positive squares in 2 ways, for example, as 528529 + 2010724 = 727^2 + 1418^2 .

It is a cyclic number.

It is not a de Polignac number, because 2539253 - 2⁶ = 2539189 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 5 + 3⁶ + 9 + 2¹⁹ + 5⁹ + 3¹⁰ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2539213) 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, 30926 + ... + 31007.

It is an arithmetic number, because the mean of its divisors is an integer number (650307).

2^2539253 is an apocalyptic number.

It is an amenable number.

2539253 is a deficient number, since it is larger than the sum of its proper divisors (61975).

2539253 is an equidigital number, since it uses as much as digits as its factorization.

2539253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61974.

The product of its digits is 8100, while the sum is 29.

The square root of 2539253 is about 1593.5033730746. The cubic root of 2539253 is about 136.4275221594.

Subtracting 2539253 from its reverse (3529352), we obtain a palindrome (990099).

The spelling of 2539253 in words is "two million, five hundred thirty-nine thousand, two hundred fifty-three".