542512233 has 12 divisors (see below), whose sum is σ = 784112628. Its totient is φ = 361451520.

The previous prime is 542512219. The next prime is 542512291. The reversal of 542512233 is 332215245.

It is a happy number.

542512233 is a `hidden beast` number, since 5 + 425 + 1 + 2 + 233 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 498316329 + 44195904 = 22323^2 + 6648^2 .

It is not a de Polignac number, because 542512233 - 2⁶ = 542512169 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 542512197 and 542512206.

It is not an unprimeable number, because it can be changed into a prime (542512933) 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 in 11 ways as a sum of consecutive naturals, for example, 2488 + ... + 33033.

It is an arithmetic number, because the mean of its divisors is an integer number (65342719).

Almost surely, 2^542512233 is an apocalyptic number.

It is an amenable number.

542512233 is a deficient number, since it is larger than the sum of its proper divisors (241600395).

542512233 is a wasteful number, since it uses less digits than its factorization.

542512233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37224 (or 37221 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 542512233 is about 23291.8920012952. The cubic root of 542512233 is about 815.5861556698.

Adding to 542512233 its reverse (332215245), we get a palindrome (874727478).

The spelling of 542512233 in words is "five hundred forty-two million, five hundred twelve thousand, two hundred thirty-three".