2538653 has 4 divisors (see below), whose sum is σ = 2733948. Its totient is φ = 2343360.

The previous prime is 2538623. The next prime is 2538659. The reversal of 2538653 is 3568352.

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 1532644 + 1006009 = 1238^2 + 1003^2 .

It is a cyclic number.

It is not a de Polignac number, because 2538653 - 2⁶ = 2538589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2538659) 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, 97628 + ... + 97653.

It is an arithmetic number, because the mean of its divisors is an integer number (683487).

2^2538653 is an apocalyptic number.

It is an amenable number.

2538653 is a deficient number, since it is larger than the sum of its proper divisors (195295).

2538653 is a wasteful number, since it uses less digits than its factorization.

2538653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195294.

The product of its digits is 21600, while the sum is 32.

The square root of 2538653 is about 1593.3150975247. The cubic root of 2538653 is about 136.4167758281.

The spelling of 2538653 in words is "two million, five hundred thirty-eight thousand, six hundred fifty-three".