542653 has 4 divisors (see below), whose sum is σ = 550368. Its totient is φ = 534940.

The previous prime is 542603. The next prime is 542683. The reversal of 542653 is 356245.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 356245 = 5 ⋅71249.

It is a cyclic number.

It is not a de Polignac number, because 542653 - 2⁹ = 542141 is a prime.

It is a d-powerful number, because it can be written as 5⁵ + 4⁶ + 6⁵ + 2¹⁹ + 5⁵ + 3⁵ .

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542603) 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 3 ways as a sum of consecutive naturals, for example, 3751 + ... + 3892.

It is an arithmetic number, because the mean of its divisors is an integer number (137592).

2⁵⁴²⁶⁵³ is an apocalyptic number.

It is an amenable number.

542653 is a deficient number, since it is larger than the sum of its proper divisors (7715).

542653 is an equidigital number, since it uses as much as digits as its factorization.

542653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7714.

The product of its digits is 3600, while the sum is 25.

The square root of 542653 is about 736.6498489785. The cubic root of 542653 is about 81.5656690293.

Adding to 542653 its reverse (356245), we get a palindrome (898898).

The spelling of 542653 in words is "five hundred forty-two thousand, six hundred fifty-three".