542814449 has 2 divisors, whose sum is σ = 542814450. Its totient is φ = 542814448.

The previous prime is 542814427. The next prime is 542814473. The reversal of 542814449 is 944418245.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 476636224 + 66178225 = 21832^2 + 8135^2 .

It is a cyclic number.

It is not a de Polignac number, because 542814449 - 2¹² = 542810353 is a prime.

It is not a weakly prime, because it can be changed into another prime (542814049) 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, 271407224 + 271407225.

It is an arithmetic number, because the mean of its divisors is an integer number (271407225).

Almost surely, 2^542814449 is an apocalyptic number.

It is an amenable number.

542814449 is a deficient number, since it is larger than the sum of its proper divisors (1).

542814449 is an equidigital number, since it uses as much as digits as its factorization.

542814449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 184320, while the sum is 41.

The square root of 542814449 is about 23298.3786774960. The cubic root of 542814449 is about 815.7375731037.

The spelling of 542814449 in words is "five hundred forty-two million, eight hundred fourteen thousand, four hundred forty-nine".