545212401 has 16 divisors (see below), whose sum is σ = 765656064. Its totient is φ = 344417744.

The previous prime is 545212387. The next prime is 545212403. The reversal of 545212401 is 104212545.

It is a cyclic number.

It is not a de Polignac number, because 545212401 - 2⁷ = 545212273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (545212403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29541 + ... + 44306.

It is an arithmetic number, because the mean of its divisors is an integer number (47853504).

Almost surely, 2^545212401 is an apocalyptic number.

It is an amenable number.

545212401 is a deficient number, since it is larger than the sum of its proper divisors (220443663).

545212401 is a wasteful number, since it uses less digits than its factorization.

545212401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73980.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 545212401 is about 23349.7837463219. The cubic root of 545212401 is about 816.9370168285.

Adding to 545212401 its reverse (104212545), we get a palindrome (649424946).

The spelling of 545212401 in words is "five hundred forty-five million, two hundred twelve thousand, four hundred one".