542378113 has 2 divisors, whose sum is σ = 542378114. Its totient is φ = 542378112.

The previous prime is 542378087. The next prime is 542378117. The reversal of 542378113 is 311873245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 319980544 + 222397569 = 17888^2 + 14913^2 .

It is a cyclic number.

It is not a de Polignac number, because 542378113 - 2²⁵ = 508823681 is a prime.

It is a super-2 number, since 2×542378113² = 588348034922881538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (542378117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271189056 + 271189057.

It is an arithmetic number, because the mean of its divisors is an integer number (271189057).

Almost surely, 2^542378113 is an apocalyptic number.

It is an amenable number.

542378113 is a deficient number, since it is larger than the sum of its proper divisors (1).

542378113 is an equidigital number, since it uses as much as digits as its factorization.

542378113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 34.

The square root of 542378113 is about 23289.0127098596. The cubic root of 542378113 is about 815.5189403310.

The spelling of 542378113 in words is "five hundred forty-two million, three hundred seventy-eight thousand, one hundred thirteen".