542555245 has 4 divisors (see below), whose sum is σ = 651066300. Its totient is φ = 434044192.

The previous prime is 542555227. The next prime is 542555249.

542555245 is nontrivially palindromic in base 10.

542555245 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 235499716 + 307055529 = 15346^2 + 17523^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542555245 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542555249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54255520 + ... + 54255529.

It is an arithmetic number, because the mean of its divisors is an integer number (162766575).

Almost surely, 2^542555245 is an apocalyptic number.

It is an amenable number.

542555245 is a deficient number, since it is larger than the sum of its proper divisors (108511055).

542555245 is a wasteful number, since it uses less digits than its factorization.

542555245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108511054.

The product of its digits is 200000, while the sum is 37.

The square root of 542555245 is about 23292.8153085882. The cubic root of 542555245 is about 815.6077091405.

The spelling of 542555245 in words is "five hundred forty-two million, five hundred fifty-five thousand, two hundred forty-five".