2543532241 has 4 divisors (see below), whose sum is σ = 2548630000. Its totient is φ = 2538434484.

The previous prime is 2543532239. The next prime is 2543532247. The reversal of 2543532241 is 1422353452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2543532241 - 2¹ = 2543532239 is a prime.

It is a super-2 number, since 2×2543532241² = 12939112522012964162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2543532247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2548131 + ... + 2549128.

It is an arithmetic number, because the mean of its divisors is an integer number (637157500).

Almost surely, 2^2543532241 is an apocalyptic number.

It is an amenable number.

2543532241 is a deficient number, since it is larger than the sum of its proper divisors (5097759).

2543532241 is an equidigital number, since it uses as much as digits as its factorization.

2543532241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5097758.

The product of its digits is 28800, while the sum is 31.

The square root of 2543532241 is about 50433.4436757991. The cubic root of 2543532241 is about 1365.0411668049.

Adding to 2543532241 its reverse (1422353452), we get a palindrome (3965885693).

The spelling of 2543532241 in words is "two billion, five hundred forty-three million, five hundred thirty-two thousand, two hundred forty-one".