554041321 has 2 divisors, whose sum is σ = 554041322. Its totient is φ = 554041320.

The previous prime is 554041309. The next prime is 554041333. The reversal of 554041321 is 123140455.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (554041309) and next prime (554041333).

It can be written as a sum of positive squares in only one way, i.e., 314565696 + 239475625 = 17736^2 + 15475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-554041321 is a prime.

It is not a weakly prime, because it can be changed into another prime (554041381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277020660 + 277020661.

It is an arithmetic number, because the mean of its divisors is an integer number (277020661).

Almost surely, 2^554041321 is an apocalyptic number.

It is an amenable number.

554041321 is a deficient number, since it is larger than the sum of its proper divisors (1).

554041321 is an equidigital number, since it uses as much as digits as its factorization.

554041321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 554041321 is about 23538.0823560459. The cubic root of 554041321 is about 821.3231271301.

Adding to 554041321 its reverse (123140455), we get a palindrome (677181776).

The spelling of 554041321 in words is "five hundred fifty-four million, forty-one thousand, three hundred twenty-one".