542528233 has 4 divisors (see below), whose sum is σ = 584261188. Its totient is φ = 500795280.

The previous prime is 542528219. The next prime is 542528243. The reversal of 542528233 is 332825245.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 211179024 + 331349209 = 14532^2 + 18203^2 .

It is a cyclic number.

It is not a de Polignac number, because 542528233 - 2²¹ = 540431081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542528213) 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 in 3 ways as a sum of consecutive naturals, for example, 20866458 + ... + 20866483.

It is an arithmetic number, because the mean of its divisors is an integer number (146065297).

Almost surely, 2^542528233 is an apocalyptic number.

It is an amenable number.

542528233 is a deficient number, since it is larger than the sum of its proper divisors (41732955).

542528233 is a wasteful number, since it uses less digits than its factorization.

542528233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41732954.

The product of its digits is 57600, while the sum is 34.

The square root of 542528233 is about 23292.2354659230. The cubic root of 542528233 is about 815.5941734614.

The spelling of 542528233 in words is "five hundred forty-two million, five hundred twenty-eight thousand, two hundred thirty-three".