545003321201 has 4 divisors (see below), whose sum is σ = 545068575972. Its totient is φ = 544938066432.

The previous prime is 545003321197. The next prime is 545003321209. The reversal of 545003321201 is 102123300545.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 351382200625 + 193621120576 = 592775^2 + 440024^2 .

It is a cyclic number.

It is not a de Polignac number, because 545003321201 - 2² = 545003321197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545003321209) 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, 32614856 + ... + 32631561.

It is an arithmetic number, because the mean of its divisors is an integer number (136267143993).

Almost surely, 2^545003321201 is an apocalyptic number.

It is an amenable number.

545003321201 is a deficient number, since it is larger than the sum of its proper divisors (65254771).

545003321201 is an equidigital number, since it uses as much as digits as its factorization.

545003321201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65254770.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 545003321201 its reverse (102123300545), we get a palindrome (647126621746).

The spelling of 545003321201 in words is "five hundred forty-five billion, three million, three hundred twenty-one thousand, two hundred one".