556331141 has 2 divisors, whose sum is σ = 556331142. Its totient is φ = 556331140.

The previous prime is 556331131. The next prime is 556331147. The reversal of 556331141 is 141133655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 454926241 + 101404900 = 21329^2 + 10070^2 .

It is a cyclic number.

It is not a de Polignac number, because 556331141 - 2¹⁴ = 556314757 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556331147) 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, 278165570 + 278165571.

It is an arithmetic number, because the mean of its divisors is an integer number (278165571).

Almost surely, 2^556331141 is an apocalyptic number.

It is an amenable number.

556331141 is a deficient number, since it is larger than the sum of its proper divisors (1).

556331141 is an equidigital number, since it uses as much as digits as its factorization.

556331141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 29.

The square root of 556331141 is about 23586.6729531742. The cubic root of 556331141 is about 822.4530651981.

Adding to 556331141 its reverse (141133655), we get a palindrome (697464796).

The spelling of 556331141 in words is "five hundred fifty-six million, three hundred thirty-one thousand, one hundred forty-one".