556242263 has 2 divisors, whose sum is σ = 556242264. Its totient is φ = 556242262.

The previous prime is 556242251. The next prime is 556242283. The reversal of 556242263 is 362242655.

556242263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 556242263 - 2⁶ = 556242199 is a prime.

It is a super-2 number, since 2×556242263² = 618810910294722338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556242223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278121131 + 278121132.

It is an arithmetic number, because the mean of its divisors is an integer number (278121132).

Almost surely, 2^556242263 is an apocalyptic number.

556242263 is a deficient number, since it is larger than the sum of its proper divisors (1).

556242263 is an equidigital number, since it uses as much as digits as its factorization.

556242263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 35.

The square root of 556242263 is about 23584.7888054992. The cubic root of 556242263 is about 822.4092652193.

The spelling of 556242263 in words is "five hundred fifty-six million, two hundred forty-two thousand, two hundred sixty-three".