546478901 has 2 divisors, whose sum is σ = 546478902. Its totient is φ = 546478900.

The previous prime is 546478861. The next prime is 546478909. The reversal of 546478901 is 109874645.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 454798276 + 91680625 = 21326^2 + 9575^2 .

It is a cyclic number.

It is not a de Polignac number, because 546478901 - 2¹⁴ = 546462517 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (546478909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273239450 + 273239451.

It is an arithmetic number, because the mean of its divisors is an integer number (273239451).

Almost surely, 2^546478901 is an apocalyptic number.

It is an amenable number.

546478901 is a deficient number, since it is larger than the sum of its proper divisors (1).

546478901 is an equidigital number, since it uses as much as digits as its factorization.

546478901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 546478901 is about 23376.8881804230. Note that the first 3 decimals coincide. The cubic root of 546478901 is about 817.5690950275.

The spelling of 546478901 in words is "five hundred forty-six million, four hundred seventy-eight thousand, nine hundred one".