545232401 has 16 divisors (see below), whose sum is σ = 634216704. Its totient is φ = 459074304.

The previous prime is 545232367. The next prime is 545232403. The reversal of 545232401 is 104232545.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 545232401 - 2¹⁴ = 545216017 is a prime.

It is a super-2 number, since 2×545232401² = 594556742200449602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545232403) 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, 132365 + ... + 136421.

It is an arithmetic number, because the mean of its divisors is an integer number (39638544).

Almost surely, 2^545232401 is an apocalyptic number.

It is an amenable number.

545232401 is a deficient number, since it is larger than the sum of its proper divisors (88984303).

545232401 is a wasteful number, since it uses less digits than its factorization.

545232401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4400.

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

The square root of 545232401 is about 23350.2120118855. The cubic root of 545232401 is about 816.9470059266.

Adding to 545232401 its reverse (104232545), we get a palindrome (649464946).

The spelling of 545232401 in words is "five hundred forty-five million, two hundred thirty-two thousand, four hundred one".