546636481 has 2 divisors, whose sum is σ = 546636482. Its totient is φ = 546636480.

The previous prime is 546636473. The next prime is 546636491. The reversal of 546636481 is 184636645.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 346555456 + 200081025 = 18616^2 + 14145^2 .

It is a cyclic number.

It is not a de Polignac number, because 546636481 - 2³ = 546636473 is a prime.

It is a super-2 number, since 2×546636481² = 597622884720126722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (546636491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273318240 + 273318241.

It is an arithmetic number, because the mean of its divisors is an integer number (273318241).

Almost surely, 2^546636481 is an apocalyptic number.

It is an amenable number.

546636481 is a deficient number, since it is larger than the sum of its proper divisors (1).

546636481 is an equidigital number, since it uses as much as digits as its factorization.

546636481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 43.

The square root of 546636481 is about 23380.2583604202. The cubic root of 546636481 is about 817.6476708923.

The spelling of 546636481 in words is "five hundred forty-six million, six hundred thirty-six thousand, four hundred eighty-one".