554142181 has 2 divisors, whose sum is σ = 554142182. Its totient is φ = 554142180.

The previous prime is 554142137. The next prime is 554142191. The reversal of 554142181 is 181241455.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 446688225 + 107453956 = 21135^2 + 10366^2 .

It is a cyclic number.

It is not a de Polignac number, because 554142181 - 2⁷ = 554142053 is a prime.

It is a super-2 number, since 2×554142181² = 614147113526873522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (554142131) 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, 277071090 + 277071091.

It is an arithmetic number, because the mean of its divisors is an integer number (277071091).

Almost surely, 2^554142181 is an apocalyptic number.

It is an amenable number.

554142181 is a deficient number, since it is larger than the sum of its proper divisors (1).

554142181 is an equidigital number, since it uses as much as digits as its factorization.

554142181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6400, while the sum is 31.

The square root of 554142181 is about 23540.2247440418. The cubic root of 554142181 is about 821.3729631388.

The spelling of 554142181 in words is "five hundred fifty-four million, one hundred forty-two thousand, one hundred eighty-one".