554199397 has 2 divisors, whose sum is σ = 554199398. Its totient is φ = 554199396.

The previous prime is 554199361. The next prime is 554199403. The reversal of 554199397 is 793991455.

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., 325766401 + 228432996 = 18049^2 + 15114^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-554199397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (554199497) 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, 277099698 + 277099699.

It is an arithmetic number, because the mean of its divisors is an integer number (277099699).

Almost surely, 2^554199397 is an apocalyptic number.

It is an amenable number.

554199397 is a deficient number, since it is larger than the sum of its proper divisors (1).

554199397 is an equidigital number, since it uses as much as digits as its factorization.

554199397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1530900, while the sum is 52.

The square root of 554199397 is about 23541.4399941890. The cubic root of 554199397 is about 821.4012314904.

The spelling of 554199397 in words is "five hundred fifty-four million, one hundred ninety-nine thousand, three hundred ninety-seven".