2541533403 has 4 divisors (see below), whose sum is σ = 3388711208. Its totient is φ = 1694355600.

The previous prime is 2541533389. The next prime is 2541533417. The reversal of 2541533403 is 3043351452.

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

It is an interprime number because it is at equal distance from previous prime (2541533389) and next prime (2541533417).

It is not a de Polignac number, because 2541533403 - 2⁴ = 2541533387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2541533003) 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, 423588898 + ... + 423588903.

It is an arithmetic number, because the mean of its divisors is an integer number (847177802).

Almost surely, 2^2541533403 is an apocalyptic number.

2541533403 is a deficient number, since it is larger than the sum of its proper divisors (847177805).

2541533403 is an equidigital number, since it uses as much as digits as its factorization.

2541533403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847177804.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 2541533403 is about 50413.6231885787. The cubic root of 2541533403 is about 1364.6834999935.

Adding to 2541533403 its reverse (3043351452), we get a palindrome (5584884855).

The spelling of 2541533403 in words is "two billion, five hundred forty-one million, five hundred thirty-three thousand, four hundred three".