545432201 has 4 divisors (see below), whose sum is σ = 547460100. Its totient is φ = 543404304.

The previous prime is 545432159. The next prime is 545432269. The reversal of 545432201 is 102234545.

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 106110601 + 439321600 = 10301^2 + 20960^2 .

It is a cyclic number.

It is not a de Polignac number, because 545432201 - 2¹⁸ = 545170057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545432101) 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, 1013546 + ... + 1014083.

It is an arithmetic number, because the mean of its divisors is an integer number (136865025).

Almost surely, 2^545432201 is an apocalyptic number.

It is an amenable number.

545432201 is a deficient number, since it is larger than the sum of its proper divisors (2027899).

545432201 is a wasteful number, since it uses less digits than its factorization.

545432201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027898.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 545432201 is about 23354.4899537541. The cubic root of 545432201 is about 817.0467836101.

Adding to 545432201 its reverse (102234545), we get a palindrome (647666746).

The spelling of 545432201 in words is "five hundred forty-five million, four hundred thirty-two thousand, two hundred one".