2541821353 has 4 divisors (see below), whose sum is σ = 2543061508. Its totient is φ = 2540581200.

The previous prime is 2541821279. The next prime is 2541821369. The reversal of 2541821353 is 3531281452.

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 1130842384 + 1410978969 = 33628^2 + 37563^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2541821353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2541825353) 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, 616998 + ... + 621103.

It is an arithmetic number, because the mean of its divisors is an integer number (635765377).

Almost surely, 2^2541821353 is an apocalyptic number.

It is an amenable number.

2541821353 is a deficient number, since it is larger than the sum of its proper divisors (1240155).

2541821353 is a wasteful number, since it uses less digits than its factorization.

2541821353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240154.

The product of its digits is 28800, while the sum is 34.

The square root of 2541821353 is about 50416.4789825708. The cubic root of 2541821353 is about 1364.7350365677.

The spelling of 2541821353 in words is "two billion, five hundred forty-one million, eight hundred twenty-one thousand, three hundred fifty-three".