542405653 has 4 divisors (see below), whose sum is σ = 547776108. Its totient is φ = 537035200.

The previous prime is 542405639. The next prime is 542405659. The reversal of 542405653 is 356504245.

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 293334129 + 249071524 = 17127^2 + 15782^2 .

It is a cyclic number.

It is not a de Polignac number, because 542405653 - 2¹⁷ = 542274581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542405659) 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, 2685076 + ... + 2685277.

It is an arithmetic number, because the mean of its divisors is an integer number (136944027).

Almost surely, 2^542405653 is an apocalyptic number.

It is an amenable number.

542405653 is a deficient number, since it is larger than the sum of its proper divisors (5370455).

542405653 is a wasteful number, since it uses less digits than its factorization.

542405653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5370454.

The product of its (nonzero) digits is 72000, while the sum is 34.

The square root of 542405653 is about 23289.6039682945. The cubic root of 542405653 is about 815.5327431320.

Adding to 542405653 its reverse (356504245), we get a palindrome (898909898).

The spelling of 542405653 in words is "five hundred forty-two million, four hundred five thousand, six hundred fifty-three".