542773289 has 4 divisors (see below), whose sum is σ = 543372624. Its totient is φ = 542173956.

The previous prime is 542773277. The next prime is 542773291. The reversal of 542773289 is 982377245.

It is a happy number.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542773289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542778289) 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, 298307 + ... + 300120.

It is an arithmetic number, because the mean of its divisors is an integer number (135843156).

Almost surely, 2^542773289 is an apocalyptic number.

It is an amenable number.

542773289 is a deficient number, since it is larger than the sum of its proper divisors (599335).

542773289 is an equidigital number, since it uses as much as digits as its factorization.

542773289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599334.

The product of its digits is 846720, while the sum is 47.

The square root of 542773289 is about 23297.4953374821. The cubic root of 542773289 is about 815.7169542671.

The spelling of 542773289 in words is "five hundred forty-two million, seven hundred seventy-three thousand, two hundred eighty-nine".