2545543201 has 8 divisors (see below), whose sum is σ = 2622718440. Its totient is φ = 2469447552.

The previous prime is 2545543181. The next prime is 2545543223. The reversal of 2545543201 is 1023455452.

2545543201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 304467601 + 2241075600 = 17449^2 + 47340^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2545543201 - 2¹³ = 2545535009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2545543291) 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, 265110 + ... + 274543.

It is an arithmetic number, because the mean of its divisors is an integer number (327839805).

Almost surely, 2^2545543201 is an apocalyptic number.

It is an amenable number.

2545543201 is a deficient number, since it is larger than the sum of its proper divisors (77175239).

2545543201 is an equidigital number, since it uses as much as digits as its factorization.

2545543201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539795.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 2545543201 is about 50453.3765074251. The cubic root of 2545543201 is about 1365.4008136551.

Adding to 2545543201 its reverse (1023455452), we get a palindrome (3568998653).

It can be divided in two parts, 254 and 5543201, that added together give a palindrome (5543455).

The spelling of 2545543201 in words is "two billion, five hundred forty-five million, five hundred forty-three thousand, two hundred one".