546029621 has 2 divisors, whose sum is σ = 546029622. Its totient is φ = 546029620.

The previous prime is 546029569. The next prime is 546029623. The reversal of 546029621 is 126920645.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 537590596 + 8439025 = 23186^2 + 2905^2 .

It is a cyclic number.

It is not a de Polignac number, because 546029621 - 2⁶ = 546029557 is a prime.

Together with 546029623, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (546029623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273014810 + 273014811.

It is an arithmetic number, because the mean of its divisors is an integer number (273014811).

Almost surely, 2^546029621 is an apocalyptic number.

It is an amenable number.

546029621 is a deficient number, since it is larger than the sum of its proper divisors (1).

546029621 is an equidigital number, since it uses as much as digits as its factorization.

546029621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 546029621 is about 23367.2767133870. The cubic root of 546029621 is about 817.3449825930.

The spelling of 546029621 in words is "five hundred forty-six million, twenty-nine thousand, six hundred twenty-one".