2541632231 has 4 divisors (see below), whose sum is σ = 2610325032. Its totient is φ = 2472939432.

The previous prime is 2541632213. The next prime is 2541632237. The reversal of 2541632231 is 1322361452.

It is a happy number.

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 2541632231 - 2²⁶ = 2474523367 is a prime.

It is a super-2 number, since 2×2541632231² = 12919788795316074722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2541632194 and 2541632203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2541632237) 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, 34346345 + ... + 34346418.

It is an arithmetic number, because the mean of its divisors is an integer number (652581258).

Almost surely, 2^2541632231 is an apocalyptic number.

2541632231 is a deficient number, since it is larger than the sum of its proper divisors (68692801).

2541632231 is an equidigital number, since it uses as much as digits as its factorization.

2541632231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68692800.

The product of its digits is 8640, while the sum is 29.

The square root of 2541632231 is about 50414.6033506166. The cubic root of 2541632231 is about 1364.7011884217.

Adding to 2541632231 its reverse (1322361452), we get a palindrome (3863993683).

The spelling of 2541632231 in words is "two billion, five hundred forty-one million, six hundred thirty-two thousand, two hundred thirty-one".