542535 has 16 divisors (see below), whose sum is σ = 992256. Its totient is φ = 247968.

The previous prime is 542533. The next prime is 542537. The reversal of 542535 is 535245.

542535 = 60² + 61² + ... + 122².

It is an interprime number because it is at equal distance from previous prime (542533) and next prime (542537).

It is not a de Polignac number, because 542535 - 2¹ = 542533 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 542535.

It is not an unprimeable number, because it can be changed into a prime (542533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2479 + ... + 2688.

It is an arithmetic number, because the mean of its divisors is an integer number (62016).

2⁵⁴²⁵³⁵ is an apocalyptic number.

542535 is a deficient number, since it is larger than the sum of its proper divisors (449721).

542535 is a wasteful number, since it uses less digits than its factorization.

542535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5182.

The product of its digits is 3000, while the sum is 24.

The square root of 542535 is about 736.5697522978. The cubic root of 542535 is about 81.5597564439.

It can be divided in two parts, 5425 and 35, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 542535 in words is "five hundred forty-two thousand, five hundred thirty-five".