542532051 has 12 divisors (see below), whose sum is σ = 790982712. Its totient is φ = 358307136.

The previous prime is 542532047. The next prime is 542532077. The reversal of 542532051 is 150235245.

It is a happy number.

542532051 is a `hidden beast` number, since 542 + 53 + 20 + 51 = 666.

It is not a de Polignac number, because 542532051 - 2² = 542532047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542532041) 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 11 ways as a sum of consecutive naturals, for example, 280726 + ... + 282651.

It is an arithmetic number, because the mean of its divisors is an integer number (65915226).

Almost surely, 2^542532051 is an apocalyptic number.

542532051 is a deficient number, since it is larger than the sum of its proper divisors (248450661).

542532051 is a wasteful number, since it uses less digits than its factorization.

542532051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563490 (or 563487 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 542532051 is about 23292.3174244213. The cubic root of 542532051 is about 815.5960866837.

Adding to 542532051 its reverse (150235245), we get a palindrome (692767296).

The spelling of 542532051 in words is "five hundred forty-two million, five hundred thirty-two thousand, fifty-one".