542529 has 12 divisors (see below), whose sum is σ = 844116. Its totient is φ = 333792.

The previous prime is 542519. The next prime is 542533. The reversal of 542529 is 925245.

It can be written as a sum of positive squares in 2 ways, for example, as 106929 + 435600 = 327^2 + 660^2 .

It is not a de Polignac number, because 542529 - 2⁵ = 542497 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 542529.

It is not an unprimeable number, because it can be changed into a prime (542519) 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 in 11 ways as a sum of consecutive naturals, for example, 2202 + ... + 2435.

It is an arithmetic number, because the mean of its divisors is an integer number (70343).

2⁵⁴²⁵²⁹ is an apocalyptic number.

It is an amenable number.

542529 is a deficient number, since it is larger than the sum of its proper divisors (301587).

542529 is a wasteful number, since it uses less digits than its factorization.

542529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4656 (or 4653 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 542529 is about 736.5656793525. The cubic root of 542529 is about 81.5594557810.

The spelling of 542529 in words is "five hundred forty-two thousand, five hundred twenty-nine".