548193461 has 2 divisors, whose sum is σ = 548193462. Its totient is φ = 548193460.

The previous prime is 548193439. The next prime is 548193479. The reversal of 548193461 is 164391845.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 507105361 + 41088100 = 22519^2 + 6410^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-548193461 is a prime.

It is a Chen prime.

It is equal to p_28755509 and since 548193461 and 28755509 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (548193361) 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, 274096730 + 274096731.

It is an arithmetic number, because the mean of its divisors is an integer number (274096731).

Almost surely, 2^548193461 is an apocalyptic number.

It is an amenable number.

548193461 is a deficient number, since it is larger than the sum of its proper divisors (1).

548193461 is an equidigital number, since it uses as much as digits as its factorization.

548193461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 41.

The square root of 548193461 is about 23413.5315789823. The cubic root of 548193461 is about 818.4232346297.

The spelling of 548193461 in words is "five hundred forty-eight million, one hundred ninety-three thousand, four hundred sixty-one".