546146521 has 2 divisors, whose sum is σ = 546146522. Its totient is φ = 546146520.

The previous prime is 546146443. The next prime is 546146543. The reversal of 546146521 is 125641645.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 373880896 + 172265625 = 19336^2 + 13125^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-546146521 is a prime.

It is not a weakly prime, because it can be changed into another prime (546146591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273073260 + 273073261.

It is an arithmetic number, because the mean of its divisors is an integer number (273073261).

Almost surely, 2^546146521 is an apocalyptic number.

It is an amenable number.

546146521 is a deficient number, since it is larger than the sum of its proper divisors (1).

546146521 is an equidigital number, since it uses as much as digits as its factorization.

546146521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 34.

The square root of 546146521 is about 23369.7779407507. Note that the first 3 decimals coincide. The cubic root of 546146521 is about 817.4033071521.

The spelling of 546146521 in words is "five hundred forty-six million, one hundred forty-six thousand, five hundred twenty-one".