554673409 has 2 divisors, whose sum is σ = 554673410. Its totient is φ = 554673408.

The previous prime is 554673377. The next prime is 554673419. The reversal of 554673409 is 904376455.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 456762384 + 97911025 = 21372^2 + 9895^2 .

It is a cyclic number.

It is not a de Polignac number, because 554673409 - 2⁵ = 554673377 is a prime.

It is not a weakly prime, because it can be changed into another prime (554673419) 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, 277336704 + 277336705.

It is an arithmetic number, because the mean of its divisors is an integer number (277336705).

Almost surely, 2^554673409 is an apocalyptic number.

It is an amenable number.

554673409 is a deficient number, since it is larger than the sum of its proper divisors (1).

554673409 is an equidigital number, since it uses as much as digits as its factorization.

554673409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 43.

The square root of 554673409 is about 23551.5054508199. The cubic root of 554673409 is about 821.6353488432.

The spelling of 554673409 in words is "five hundred fifty-four million, six hundred seventy-three thousand, four hundred nine".