542404565 has 4 divisors (see below), whose sum is σ = 650885484. Its totient is φ = 433923648.

The previous prime is 542404553. The next prime is 542404573. The reversal of 542404565 is 565404245.

542404565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 417098929 + 125305636 = 20423^2 + 11194^2 .

It is a cyclic number.

It is not a de Polignac number, because 542404565 - 2⁶ = 542404501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54240452 + ... + 54240461.

It is an arithmetic number, because the mean of its divisors is an integer number (162721371).

Almost surely, 2^542404565 is an apocalyptic number.

It is an amenable number.

542404565 is a deficient number, since it is larger than the sum of its proper divisors (108480919).

542404565 is a wasteful number, since it uses less digits than its factorization.

542404565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108480918.

The product of its (nonzero) digits is 96000, while the sum is 35.

The square root of 542404565 is about 23289.5806102214. The cubic root of 542404565 is about 815.5321978450.

The spelling of 542404565 in words is "five hundred forty-two million, four hundred four thousand, five hundred sixty-five".