542223257 has 2 divisors, whose sum is σ = 542223258. Its totient is φ = 542223256.

The previous prime is 542223251. The next prime is 542223277. The reversal of 542223257 is 752322245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 363626761 + 178596496 = 19069^2 + 13364^2 .

It is a cyclic number.

It is not a de Polignac number, because 542223257 - 2⁶ = 542223193 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (542223251) 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, 271111628 + 271111629.

It is an arithmetic number, because the mean of its divisors is an integer number (271111629).

Almost surely, 2^542223257 is an apocalyptic number.

It is an amenable number.

542223257 is a deficient number, since it is larger than the sum of its proper divisors (1).

542223257 is an equidigital number, since it uses as much as digits as its factorization.

542223257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33600, while the sum is 32.

The square root of 542223257 is about 23285.6878146212. The cubic root of 542223257 is about 815.4413191912.

The spelling of 542223257 in words is "five hundred forty-two million, two hundred twenty-three thousand, two hundred fifty-seven".