2543400201 has 8 divisors (see below), whose sum is σ = 3392167360. Its totient is φ = 1695116592.

The previous prime is 2543400193. The next prime is 2543400203. The reversal of 2543400201 is 1020043452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2543400201 - 2³ = 2543400193 is a prime.

It is a super-4 number, since 4×2543400201⁴ (a number of 39 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2543400203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108430 + ... + 129783.

It is an arithmetic number, because the mean of its divisors is an integer number (424020920).

Almost surely, 2^2543400201 is an apocalyptic number.

It is an amenable number.

2543400201 is a deficient number, since it is larger than the sum of its proper divisors (848767159).

2543400201 is a wasteful number, since it uses less digits than its factorization.

2543400201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241775.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2543400201 is about 50432.1346068159. The cubic root of 2543400201 is about 1365.0175456962.

Adding to 2543400201 its reverse (1020043452), we get a palindrome (3563443653).

The spelling of 2543400201 in words is "two billion, five hundred forty-three million, four hundred thousand, two hundred one".