2543413321 has 32 divisors (see below), whose sum is σ = 2846638080. Its totient is φ = 2262556800.

The previous prime is 2543413309. The next prime is 2543413349. The reversal of 2543413321 is 1233143452.

It is a happy number.

It is not a de Polignac number, because 2543413321 - 2⁷ = 2543413193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2543413321.

It is not an unprimeable number, because it can be changed into a prime (2543413391) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5900976 + ... + 5901406.

It is an arithmetic number, because the mean of its divisors is an integer number (88957440).

Almost surely, 2^2543413321 is an apocalyptic number.

It is an amenable number.

2543413321 is a deficient number, since it is larger than the sum of its proper divisors (303224759).

2543413321 is a wasteful number, since it uses less digits than its factorization.

2543413321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757.

The product of its digits is 8640, while the sum is 28.

The square root of 2543413321 is about 50432.2646824431. The cubic root of 2543413321 is about 1365.0198928166.

Adding to 2543413321 its reverse (1233143452), we get a palindrome (3776556773).

The spelling of 2543413321 in words is "two billion, five hundred forty-three million, four hundred thirteen thousand, three hundred twenty-one".