545105201 has 16 divisors (see below), whose sum is σ = 575479296. Its totient is φ = 515704896.

The previous prime is 545105191. The next prime is 545105219. The reversal of 545105201 is 102501545.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 545105201 - 2⁶ = 545105137 is a prime.

It is a super-3 number, since 3×545105201³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545105101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289475 + ... + 291351.

It is an arithmetic number, because the mean of its divisors is an integer number (35967456).

Almost surely, 2^545105201 is an apocalyptic number.

It is an amenable number.

545105201 is a deficient number, since it is larger than the sum of its proper divisors (30374095).

545105201 is a wasteful number, since it uses less digits than its factorization.

545105201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 545105201 is about 23347.4881090022. The cubic root of 545105201 is about 816.8834710981.

Adding to 545105201 its reverse (102501545), we get a palindrome (647606746).

The spelling of 545105201 in words is "five hundred forty-five million, one hundred five thousand, two hundred one".