3545201223 has 16 divisors (see below), whose sum is σ = 5254182400. Its totient is φ = 2362552920.

The previous prime is 3545201221. The next prime is 3545201237. The reversal of 3545201223 is 3221025453.

It is a happy number.

It is not a de Polignac number, because 3545201223 - 2¹ = 3545201221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3545201221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49698 + ... + 97776.

It is an arithmetic number, because the mean of its divisors is an integer number (328386400).

Almost surely, 2^3545201223 is an apocalyptic number.

3545201223 is a deficient number, since it is larger than the sum of its proper divisors (1708981177).

3545201223 is a wasteful number, since it uses less digits than its factorization.

3545201223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50819 (or 50813 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 3545201223 is about 59541.5923787733. The cubic root of 3545201223 is about 1524.8026222019.

Adding to 3545201223 its reverse (3221025453), we get a palindrome (6766226676).

The spelling of 3545201223 in words is "three billion, five hundred forty-five million, two hundred one thousand, two hundred twenty-three".